MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Several heuristics identified the document as a link farm pointing to compromised WordPress sites, suggesting a phishing or malware distribution attempt. No scripts were extracted, but the embedded URLs are the primary indicators of compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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 http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b8013b51b31---labogudebu.pdf In PDF document text
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/j6u5mpbf2h1h9e28i4ajv0rgpe/tevakezef.pdfIn PDF document text
- http://onishi-kyosendo.jp/archive/rimivowenosivim.pdfIn PDF document text
- https://tripleccompanies.com/wp-content/plugins/super-forms/uploads/php/files/44b0df245d5c0e543144dfc0953dadf0/delegode.pdfIn PDF document text
- https://kisikana.hr/userfiles/file/34214308476.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/b2ce597ffe054a915345f70bc5e55455/73606366748.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160778e5cc21d2---89987097133.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/0d2ab90a173b8be1caa0cfc0e080d645/90339163645.pdfIn PDF document text
- http://www.biotanika.pl/upload/file/movaz.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0cc85dc0e---xutozefowezavupozelegevuj.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/67bfc62b24a4dcbbb00f2514de6ca748/51742449976.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16071932441121---pobevopoti.pdfIn PDF document text
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/4r55gjqh7erdpcvhsrm5cbg9jp/9545263238.pdfIn PDF document text
- http://ruishikaishi.com/upload/content/files/2021/06/20210618091925.pdfIn PDF document text
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd4cc67d9e7---62769147703.pdfIn PDF document text
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/kac6di2uv6ab1nih36v4pv07g1/63264153998.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160846b4a6b0c5---pefuxezusatekeremi.pdfIn PDF document text
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6853ba22c4---77286486692.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/84greh1b8ir2e1ln6hnkt5kga6/gitagaxodafigegajop.pdfIn PDF document text
- https://alnahamgroup.com/userfiles/file/kesejolawomubafima.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094cacb21bbb---duwumudezuvezubelufunuga.pdfIn PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/7ea3b8fa6c8db8fbbecec8385febce2c/53404045027.pdfIn PDF document text
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/94f2d2cf0c1240a7e1fa9883c04ab358/46928044498.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b789db596d---bepewuzajojepazul.pdfIn PDF document text
- http://elite-nails.pl/Upload/file/firased.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/59d625c3222304b4cd342eeb16e06299/99279644856.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=from+monday+to+sunday+songPDF 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://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_off00010d25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D25 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012537.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12537 | 17032 bytes |
SHA-256: 57d1dd659d949b6752939f508408b3e8d0141e84dc03d28ca7725a4fa6137447 |
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font_02_sfnt_off00015195.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15195 | 10512 bytes |
SHA-256: af70c3a2bd2ed61dab450778a7448d2e40a1fae3664622550a7c146a191f24ac |
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