MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a callback-phone (TOAD) lure. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories, presents a deceptive download button and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
Heuristics 9
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://lycee-elm.org/userfiles/file/73209970792.pdf In PDF document text
- http://arslanemlak.come/file/62087278120.pdfIn PDF document text
- https://mashura.co/userfiles/files/wivudidalokolifudoxifij.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bfdf0c8fa70---fabokonafatiburumubi.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075549af0339---49013459107.pdfIn PDF document text
- https://cam-ceeds.org/ckfinder/userfiles/files/179276153.pdfIn PDF document text
- http://veoguidecostarica.com/ci/userfiles/files/79659224770.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ac314b1170c---parakaxisebomesafex.pdfIn PDF document text
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/ef0808663dea8212db7521bf830e3bec/mamukijodasalizog.pdfIn PDF document text
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/e38b614834e43f95f42298a8040ea57e/22509327068.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf37bb18790---5306789359.pdfIn PDF document text
- http://parkhighclassof60.com/clients/871169/File/17696154287.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077bf7f2bc3e---57758559704.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f82d8fa16---pagukupiregazuvuda.pdfIn PDF document text
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/h63ml5qmbf7gh9vh3c3ai0khp2/61451508868.pdfIn PDF document text
- http://shopexpert.com/app/webroot/files/userfiles/files/56488146643.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608a4a82d34eb---74119272153.pdfIn PDF document text
- http://skonasystems.com/userfiles/file/zuberujelirugamut.pdfIn PDF document text
- http://sincaremedicaltour.com/js/upload/73000953636.pdfIn PDF document text
- https://tranhtreo.com/images/ckeditor/files/49146534354.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/bf6662941e32a171dd0509ba674f599a/rosodovabaxopevi.pdfIn PDF document text
- https://hostsolutions.ro/app/webroot/files/userfiles/files/zefaduzilanozisipoja.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9b67999b2---fapavuvibupifiparafijukop.pdfIn PDF document text
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/3kiq0j2qodmfj2nujq619t20rc/lisutamaguv.pdfIn PDF document text
- http://bocghebinhduong.com/media/ftp/file/kupituz.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=zhiyun+crane+2+manual+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011602.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11602 | 10796 bytes |
SHA-256: 22e5845da10b67efcd3c7f9955fb837858f49e66912449d045e5277fb9a19081 |
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font_01_sfnt_off00012eb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EB4 | 18632 bytes |
SHA-256: 97066f6a65135a2891cbbe378b44875b841ebe1284a3f5e737970a9315037a51 |
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font_02_sfnt_off00016048.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16048 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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