MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious. It contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute further malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a tactic of using SEO poisoning and compromised infrastructure to host and distribute malicious files. No scripts were extracted, but the overall pattern suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://dukeofmarshall.com/ckfinder/userfiles/files/17616658958.pdf In PDF document text
- http://epplast.com/files/file/43162525626.pdfIn PDF document text
- http://randalljroutson.com/clients/44711/File/20290903857.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b67fc28f2---12101734135.pdfIn PDF document text
- http://feriaalainversa.com/uploaded/files/tozelusilebexifaguxedas.pdfIn PDF document text
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/6954e85a30f1a1f9eb23020ab599a6b3/49565176878.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c9e576d50db---ragire.pdfIn PDF document text
- http://studiovalentini.eu/userfiles/files/sevodoberipovanovebijapar.pdfIn PDF document text
- http://nova-auto.com/upload/ziredasawafivenumemegu.pdfIn PDF document text
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/7fbd6782b60b2ee93d1578bc2b7458b1/nufoduwimevumopegadulowu.pdfIn PDF document text
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f95d50bc704---dexawuzarumalewuvapizem.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/c6ecfc6723994387f1f4a917fe93dc62/gavesoborexibevudejijude.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f64ac779b17---vomasasabired.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080f9eb2f505---75836472610.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c950568cf90---1171664903.pdfIn PDF document text
- http://chemonova.com/FCKeditor/file/dazax.pdfIn PDF document text
- https://eventaipei.com/upload/files/4701390370.pdfIn PDF document text
- http://dpsnowodworze.pl/userfiles/file/jewezutitepo.pdfIn PDF document text
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/1s5n0rj155ibktlra2nduk0uf5/65199023844.pdfIn PDF document text
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/37dae5e01beba9f084d32a92e9a2df48/vefuzosubukiveman.pdfIn PDF document text
- https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/33c6eaee198ca1a4ec228e1a99969c3c/rilikeletibikagima.pdfIn PDF document text
- http://evolutionchonburi.com/userfiles/files/jedesowubuzukone.pdfIn PDF document text
- https://nirmalujjwal.com/public/ckfinder/userfiles/files/nodojozuzijuguj.pdfIn PDF document text
- http://an-ocn.ru/ckfinder/userfiles/files/finedofuniza.pdfIn PDF document text
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608426819ec57---tazejex.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=el+libro+rojo+del+comunismo+pdfPDF 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_off00010555.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10555 | 19600 bytes |
SHA-256: 1710b9d2ec864fe999ba0db09697f158c789929661f762316e66286f1a9a2a67 |
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font_01_sfnt_off00013782.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13782 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014f99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F99 | 10876 bytes |
SHA-256: a7061de3f6401515b225bc658ffc30791930ccab3f17a33778f64ffce8a92d67 |
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