MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links to compromised WordPress sites, suggesting a link farm or phishing lure. The document body, though heavily obfuscated, appears to be related to quiz answers, which is a common pretext for phishing. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/6i0f55k9rt63a0tjult3aaa4sh/puxenijosapajiwidu.pdf In PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160744a8290a99---viwef.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/7ego78ugfle9ai12d2rhku06nr/lekeriruwowol.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16077cc20751b3---manojivere.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160867ae8d1315---90462769044.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba04cc0e84---kigugovuzuvuvi.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/c341206d05a3a877b073966c15a2a778/fusisaferikupata.pdfIn PDF document text
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/9a0kr5i39p0u89t4kk3bj5dp97/41434949806.pdfIn PDF document text
- https://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/td7gm1rqt55lstc4q4uqosa1f1/jatakulobadevolajodi.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606e5b5343b0f---wojigasixipup.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/bbu9dvh4st98mgo1ldsmca79p0/90101776810.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b672c177a4---79960190459.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16081eec88633b---gufiso.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/vpouftc6oqsmnffm9oee649crb/27150885636.pdfIn PDF document text
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/f6d5a49984512cea03a0659af117b399/66546835913.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=operations+and+compositions+of+functions+quiz+answersPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC44 | 5564 bytes |
SHA-256: 35bb8cf76c5a247a2e448ba92bc2187d398bc8bca2a1d438926b6f8f29b2794f |
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font_01_sfnt_off0000ef2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF2E | 11768 bytes |
SHA-256: 6629369512e9ef629709d521fb095bffdef314fb5562507718417c4960e43a30 |
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