MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, a common technique for executing malicious code within PDFs. This script likely redirects users to external URLs, as indicated by the numerous PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery through compromised WordPress sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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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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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://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8b7a522e35---4570801303.pdf In PDF document text
- http://agcslohian.com/userfiles/file/96109299511.pdfIn PDF document text
- http://rama-sp.com/rama/webroot/js/ckfinder/userfiles/files/liguxitifet.pdfIn PDF document text
- http://solar-makernavi.com/ckfinder/userfiles/files/salimagenitowuwofabedosub.pdfIn PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/cdef1645ee1576cbd1371da478dbb1b8/33976654132.pdfIn PDF document text
- http://myconnect-thailand.com/image/upload/File/merigaxilifilekow.pdfIn PDF document text
- https://audit-advisers.com/userfiles/file/xolenuwir.pdfIn PDF document text
- http://bluecars.pl/userfiles/file/kukuvafujedajogi.pdfIn PDF document text
- http://prunay-en-yvelines.fr/ckfinder/userfiles/files/pimazamekaviwar.pdfIn PDF document text
- http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/dokanejitimafudijorawi.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160867564c49df---xitenuvazisadujeso.pdfIn PDF document text
- http://gartenstadt-apotheke.com/userfiles/file/kodomexuwuxojorazumivowe.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c44ef871f0---tudimamemotetagixowomele.pdfIn PDF document text
- http://winkeleninzundert.nl/uploadimages/files/nagowojokabevupibaj.pdfIn PDF document text
- http://fjsxsx558.com/upload/files/fazonemamolozizixobiga.pdfIn PDF document text
- http://kompassztuki.pl/Image/files/98718448476.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609836d5c0d33---vimasubamojubifoz.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8df108b7a8---bojudesenubakusuvu.pdfIn PDF document text
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/4f3965410c4e4ff30a10ebd5995b4d23/96705134800.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079a8f4bb45f---38118746464.pdfIn PDF document text
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/5e683fc09f03d350e52d5d8764482b01/vapofokamo.pdfIn PDF document text
- https://kompaspt2.com/contents//files/53520054169.pdfIn PDF document text
- https://centrosteadycam.it/wp-content/plugins/super-forms/uploads/php/files/f9f037be4c5c2cabaff97dd9825c5d4c/bageredovekopilawaxuvok.pdfIn PDF document text
- https://meganimal.pt/site/upload/file/30419620839.pdfIn PDF document text
- http://stellar-toys.com/ckfinder/userfiles/files/kikufalip.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=pavilion+dv6+repair+manualPDF 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_off0000fb1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB1C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011333.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11333 | 10624 bytes |
SHA-256: e6113359f691550040d04e273f2181d03da197561bf6972f4c5096f4a2625fa8 |
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font_02_sfnt_off00012b6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B6C | 19424 bytes |
SHA-256: a1c9208d6a4e3cfc9d3317b3b72c80d6d896e1145a87503bbc7203f74b1d8017 |
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