MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to compromised WordPress sites, indicating a link farm designed to distribute malicious content or facilitate phishing. The ML classifier and ClamAV detection strongly suggest malicious intent, with the links likely serving as a lure or a distribution point for further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/jb6kc4i3shq02olsqj2vaifbd5/dawabibilub.pdf In PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2118232d10---xixox.pdfIn PDF document text
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/68ca6lc2loe7h2bmqgj5hlovfo/93556910036.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160797eb23aaa9---lafalefar.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/j1nsl4mvg4af9l7ufqp9nthihm/32294064237.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/0p06n72u126q4dl055bubmqpt6/watilituguforiwixu.pdfIn PDF document text
- http://waukeganeast1980.com/clients/877304/File/32365820826.pdfIn PDF document text
- http://bioscipublisher.com/files/upfiles/file/muwuwivena.pdfIn PDF document text
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/v5fs6mqei0iq8f8m93cjg2390h/5586309648.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc7461b024a---jogugamasezetukoxeforaf.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff8ff33b32---seriwuvifarusubopalubevag.pdfIn PDF document text
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8bd9017a02---dejigixizubinazatuditonop.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=japanese+grammar+appsPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001273f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1273F | 77040 bytes |
SHA-256: e7fe352909126787eee1403746a8c9bb9fbee4ecc38a45788741f94f83be3331 |
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font_01_sfnt_off00020cce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20CCE | 4644 bytes |
SHA-256: aa4027e0989f2979466f5e5c42e74c517e72ddc8030eb60a69f4152e42547983 |
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font_02_sfnt_off00021c5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x21C5E | 11108 bytes |
SHA-256: 7cac05e68fb5643ff700afaa02413c3418379b0ce84c778a98116cf41f315880 |
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font_03_sfnt_off00024256.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x24256 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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