MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous embedded links, many pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution campaign. The document body, though heavily obfuscated, appears to be a lure related to language learning, which is a common tactic for social engineering.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://queure.ru/uplcv?utm_term=combining+direct+and+indirect+object+pronouns+italian PDF link annotation
- http://hy-concrete.ru/d/files/58721102919.pdfIn PDF document text
- http://pressvaluation.net/userfiles/file/fanonukubepudisorin.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/24ef40c071a2ee071cb8206b095a4b23/tebapozajuno.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/c4ccf571ac216d267f737562c6c6e61a/33834705557.pdfIn PDF document text
- http://reikihaus.com/clients/75291/File/61896400595.pdfIn PDF document text
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/9bda7421bc44c5835e4eeecfde7ec8bd/59711588654.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/12rq61fuh8jsv63rq7qdjlq3up/judesiwagapaxuzusasefev.pdfIn PDF document text
- https://ivaco.it/file/13673945884.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0d265a9617---8811401554.pdfIn PDF document text
- http://elsekmont.eu/userfiles/file/kubajukogepipemot.pdfIn PDF document text
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16075ac6f18209---katixatuwavumevoxota.pdfIn PDF document text
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/vr1mqbsgbs26fbvsjvk920mbt3/38158366035.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160878a9fb0b55---12196226491.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c6c321ab83---56265061760.pdfIn PDF document text
- http://fmi.lu/userfiles/files/mijukajokeloguri.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160805bec11420---20418139068.pdfIn PDF document text
- http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080ade346ff7---bewubotogijapa.pdfIn PDF document text
- https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/c8f8029cf3de233bf99f837120ab9c02/susewamizum.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://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_off0000dec8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEC8 | 5516 bytes |
SHA-256: 3a24f7219a7e36caf5428d3bea2a7a6e18ec2118da826f03338f7e5a79dcac8f |
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font_01_sfnt_off0000f170.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF170 | 10968 bytes |
SHA-256: 6150a19e5ed70be5e4caeb8666406480159c176b03facaa99d15e91e3b7d4424 |
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