MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of links, many pointing to compromised CMS upload directories, suggesting it is part of a link farm designed to redirect users to malicious content. No scripts were extracted, but the presence of numerous external URIs indicates a likely attempt to lure users to phishing or malware hosting sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://ketchas.ru/uplcv?utm_term=linear+velocity+of+rotating+object PDF link annotation
- http://mbcasc.net/imgs/file/87854252396.pdfIn PDF document text
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/16096f155d7b45---74744259783.pdfIn PDF document text
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a106fb3a3a---83151513989.pdfIn PDF document text
- http://cerezolorente.com/files/cerezolorente/_repo/file/96039898654.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c73ef382f7---23939772089.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/24776757403.pdfIn PDF document text
- https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/e7mnsd3vaesrd5mddmdadgdjve/pemebenekune.pdfIn PDF document text
- http://asijskepotraviny.cz/files/file/83404960071.pdfIn PDF document text
- http://onnetsolution.in/userfiles/file/50737535251.pdfIn PDF document text
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/5ab6dfdf085ddd9cf389ecd049131fe9/19474956662.pdfIn PDF document text
- http://artkulinaria.pl/sites/default/files/file/wakurijuzepesejegikufegax.pdfIn PDF document text
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/avvuqqfjkle2l2mr6q3u2q2rom/mukotamujon.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/d1f45030edaa0426085adfaeb06e08c6/getepafupajemuvejobiv.pdfIn PDF document text
- http://www.cafeinca.com/img/public/contenido/file/pogodobaxamimerikusifetem.pdfIn PDF document text
- https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/a7123056d20926aeb265b310774e9432/gepexasovijalawafu.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608b173e0430c---72740517611.pdfIn PDF document text
- https://ancoraeducacion.com/images/fuvibabipinab.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_off00010381.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10381 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011b93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B93 | 20452 bytes |
SHA-256: b401e1c6a8bb6d658c25bcac2fd691f0235bbe0f702f13152dc59b5cc0038be0 |
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font_02_sfnt_off00015254.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15254 | 10752 bytes |
SHA-256: 63858a71eaed81ac63795dd7065b98be4b7e7c066cd2b10887dda6826b5eb3c3 |
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