MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a tactic of directing users to malicious content, likely for credential harvesting or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://smidgel.ru/uplcv?utm_term=latest+resume+format+for+freshers+pdf PDF link annotation
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160764b6eb1de2---xifoxid.pdfIn PDF document text
- http://carmakers.cz/userfiles/files/buxipepoz.pdfIn PDF document text
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/5fda5ff33d35e85a0efb5a4475a8f19e/bosironubuvebebosezer.pdfIn PDF document text
- http://assytekservizi.com/userfiles/files/xenigafoj.pdfIn PDF document text
- http://iberryhomemade.com/userfiles/files/vejevawewom.pdfIn PDF document text
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160800ff3af5a3---6282771696.pdfIn PDF document text
- https://floridainvestment.cz/files/file/73818777853.pdfIn PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/bvjcdbog0i3nf2o3onfdfq9890/75412269700.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/256c1ff2a040d9ea5eee58e6928b1a1f/94389568587.pdfIn PDF document text
- http://premiercontractinginc.com/files/file/44865222674.pdfIn PDF document text
- http://quick-thailand.com/images/uploads/file/sejabevarifuxatamanoruv.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16103c9bfb66e9---75315634594.pdfIn PDF document text
- http://bhs1966maui.com/clients/64750/File/gimimiki.pdfIn PDF document text
- http://sbstroy53.ru/img/files/87417802904.pdfIn PDF document text
- http://tortsurprise.ru/upload/redactor/files/lufitazewefeju.pdfIn PDF document text
- https://sunnyvale.com/wysiwygfiles/file/xivuzalukaker.pdfIn PDF document text
- http://montrealinkwell.com/clients/c/c4/c478fb9048b4d856ed1aa16e2301f982/File/vawakevuxatozajagutukex.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/20e4424f2c954c56eb231f500f6d3b12/momuxifepovaza.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/lai9jitcp3sdap2ghgjuifa422/54109963404.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16103c7318b101---pusekelisinidazopowiz.pdfIn PDF document text
- https://faktxeber.ru/resimler/files/93946376538.pdfIn PDF document text
- http://dabaizhongxue.com/upload_fck/file/2021-6-29/20210629175704190307.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ada8145d1d6---37098584773.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/cd6928a9ca2b91968c6f84ed045d8694/wutisewudevovewotidok.pdfIn PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/b0c859c34ed3ea9b3d2945615f49a7b0/zusosedivabube.pdfIn 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://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_off0000e6f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6F6 | 17656 bytes |
SHA-256: b72bf752fba8d6c651702edf04b9baec8b5d52e7d129edcabeb1d7286a14465e |
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font_01_sfnt_off000114ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114AB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012cc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CC2 | 10576 bytes |
SHA-256: 3b7ea5142820ac9dc9f78043cdceee6d358124d369b7279372bca8f8ff776363 |
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