MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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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://marcelponjee.nl/ponjeefiles/file/sekode.pdf In PDF document text
- http://www.bandungmesin.com/file/22846269710.pdfIn PDF document text
- https://www.mnogotrop.com/ckfinder/userfiles/files/71919280607.pdfIn PDF document text
- http://liebherr-tr.com/userfiles/file/lorom.pdfIn PDF document text
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fe2b34d3f9---jazalefara.pdfIn PDF document text
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/hsbpt9cak81241oql1ojos40l4/loxoxe.pdfIn PDF document text
- https://eqonetech.com/upload/userfiles/files/sosalafevananulixaso.pdfIn PDF document text
- http://skogsformedling.se/bilder_umeny/File/rawuxoveguritebixopowesel.pdfIn PDF document text
- http://jumpstart.mobi/ckfinder/userfiles/files/72458604848.pdfIn PDF document text
- http://cupta.org/userfiles/files/20210527222813.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/1f00dc1f55d372c7cbeb516d066f41ee/1309616105.pdfIn PDF document text
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609a2467bc0fd---rilebosedad.pdfIn PDF document text
- http://swhwsolution.it/ckeditor-ckfinder-integration/uploads/files/95866012673.pdfIn PDF document text
- https://almoheetmanpower.com/public_html/userfiles/file/97731327225.pdfIn PDF document text
- http://goldenagegroup.vip/userfiles/file/40876301697.pdfIn PDF document text
- https://foodphotoshop.com/userfiles/files/gejikupuvurixovanofara.pdfIn PDF document text
- http://kagoshimakojintaxi.com/userfiles/file/kasorukegejavogerira.pdfIn PDF document text
- http://wowbond.com/upload/Fckeditor/file/bawireperaxozajalij.pdfIn PDF document text
- http://provia-events.de/pics/fotos/1/file/ladib.pdfIn PDF document text
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160798a98d9b0d---negijinaxezabezukofeka.pdfIn PDF document text
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0d0b4d3021---41875503780.pdfIn PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a19c85bebfc---28948502133.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/1e0b90d41deb87382ee3926e55dcdfc8/28866962116.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=rally+games+pc+freePDF 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_off0000bb38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB38 | 10568 bytes |
SHA-256: 20a3092356e53822ed88ef8e19aec93f7905d4ae2870ef5fc88ccea5c079225d |
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font_01_sfnt_off0000d35f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD35F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eb71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB71 | 16304 bytes |
SHA-256: 7cccd5952f284312745a66aa3c15e65b94263c24c1a9fffa7bf052e19161b1d7 |
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