MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://philabc.ru/uplcv?utm_term=endless+learning+academy+apk PDF link annotation
- http://magooferta.pl/uploads/fck/file/jakokajatelowadorolo.pdfIn PDF document text
- http://daglichtfilters.nl/ckfinder/userfiles/files/67117159411.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614adc2fed1b3---41947577854.pdfIn PDF document text
- http://laulumaja.fi/ckfinder/userfiles/files/58889429561.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/2cd1d67f59d2485e6829784274ef5f30/bipawedelanosaji.pdfIn PDF document text
- https://excore.hu/ckfinder/userfiles/files/gixukigapabi.pdfIn PDF document text
- http://maymaygiaydachidang.com/upload/files/zagajegexukuxipukumu.pdfIn PDF document text
- https://bharatiyabhashaparishad.org/ckfinder/userfiles/files/57335127442.pdfIn PDF document text
- http://sieuthibds.net/images/files/85326661887.pdfIn PDF document text
- http://thaicockstar.com/ckfinder/userfiles/files/nutinewekuzalusuruj.pdfIn PDF document text
- https://nycsmindia.org/ckfinder/userfiles/files/14082123386.pdfIn PDF document text
- https://snqrsl.quebec/upload/editor/file/34268310855.pdfIn PDF document text
- http://fsanaq.com/upload/file/210916213523108046td1tizrixw9g.pdfIn PDF document text
- https://windfreeklima.com/upload/ckfinder/files/gukasixujogazizojojowoxot.pdfIn PDF document text
- https://ms02bet.com/contents/files/11431374112.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cb3bb342f7---50684329779.pdfIn PDF document text
- http://jiin-torng.com/uploadfiles/20210916032805.pdfIn PDF document text
- http://www.horakgolf.cz/ckfinder/userfiles/files/gemeromonuvaxavatiguke.pdfIn PDF document text
- http://dayuntang.com/assets/uploads/ckedit/files/20210922231430.pdfIn PDF document text
- http://consorzio-csa.it/userfiles/files/67733063491.pdfIn PDF document text
- http://luluscafeonline.com/uploads/files/tozawewozal.pdfIn PDF document text
- http://cdio.vn/uploads/userfiles/file/dasuxorukofejoneza.pdfIn PDF document text
- http://acsalma.hu/userfiles/files/gikirito.pdfIn PDF document text
- https://goodluckfishing.com/ckfinder/userfiles/files/78295640252.pdfIn PDF document text
- 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_off0000ae6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE6F | 15308 bytes |
SHA-256: b4573035eeb90eae65837f84f71e3ff3b2b82e09b8144956a6af8dc5bbd4605a |
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font_01_sfnt_off0000d534.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD534 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ed4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED4B | 10828 bytes |
SHA-256: 9e8b0e11959a11b37357d39e84b3d30e8a00261a35cda93c27e8ae54f6c520ac |
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