MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites and disposable hosting. Heuristics indicate this is a link farm designed to direct users to external content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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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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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://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16076f57c95350---14822932908.pdf In PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1612cf352d8f76---89066718069.pdfIn PDF document text
- https://hglobaltourb2c.com/FileData/ckfinder/files/20210903_6257E20AA9A13F22.pdfIn PDF document text
- http://www.grupoaccs.net/ckfinder/userfiles/files/nopibamudotizijok.pdfIn PDF document text
- http://bancasemecanino.com/userfiles/files/fexodojosozuzoju.pdfIn PDF document text
- http://pechati-piter.ru/userfiles/file/lupalewisotarezepesuwuf.pdfIn PDF document text
- https://shriayurvednagpur.org/public/ckfinder/userfiles/files/kodufijudujizawanujan.pdfIn PDF document text
- http://shesob.com/file/files/61675136559.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c37d4d5fdb7---nuxafamefagevaf.pdfIn PDF document text
- http://jrpst.pl/userfiles/file/10690828007.pdfIn PDF document text
- http://aklond.com/UploadFilesfile///2021050900080930.pdfIn PDF document text
- https://nikosdimos.gr/userfiles/file/47151252003.pdfIn PDF document text
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/m919i54p70t03u89gv8efro2e6/jejewuwumibe.pdfIn PDF document text
- http://amandatravel.com/userfiles/file/65256095730.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a25892292de---lonifiroruvaregud.pdfIn PDF document text
- http://phuketdriveschool.com/userfiles/file/77719783610.pdfIn PDF document text
- http://fitviewer.de/files/file/gufejopaxon.pdfIn PDF document text
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/f32231241951028557be891572225bca/lojepejagovixewuzo.pdfIn PDF document text
- http://matsonconstruction.net/userfiles/file/4863290820.pdfIn PDF document text
- https://kaowei.tw/image/files/20210701_142722.pdfIn PDF document text
- https://www.orthovision-lublin.pl/ckfinder/userfiles/files/wusuwezilabid.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=ischemic+heart+failure+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_off0000bec0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEC0 | 16684 bytes |
SHA-256: fbdb6e9d20d028788bd6d3f0eb39dfe366bd8cb1562d96b57fcf0fc1c96f12df |
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font_01_sfnt_off0000e9b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9B1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000101c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101C8 | 10712 bytes |
SHA-256: 43a6924feb8c12cd5ff5ecf4b66c6a6461543ba65e0e5fae5e90ce0a7a847787 |
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