MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm designed to redirect users to malicious content. The presence of external URI heuristics and compromised CMS upload links points to a phishing attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://inwebjor.ru/uplcv?utm_term=sinnerman+piano+pdf PDF link annotation
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160742af58503c---sorolefixexagefupugiwat.pdfIn PDF document text
- http://tea-ra.com/user_data/upload/save_image/files/97712999872.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/k0ghmgsqb0vgivb234932pbq93/nulabuwipadujekako.pdfIn PDF document text
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/uag1bhn634jkljcgm1k9ov8afj/45176998481.pdfIn PDF document text
- http://esistore.be/userfiles/file/63287287343.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/tlae37v9hjo96ajd4cujp3ghe2/wativ.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/sgjqrq1gsu43cipn1dqrv9omj2/tunorulalubi.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079f86954786---28271823623.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/dfa1ef840143ec5eb368278aed79609b/botuxo.pdfIn PDF document text
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/ed39f38a2f9ddf10ecaf55780250bfd4/66712920425.pdfIn PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160847c33ab6f9---muravu.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160bd4a9716210---zopufusotuni.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e9d14801e7---92631882304.pdfIn PDF document text
- http://lucavolpicella.it/userfiles/files/73318866277.pdfIn PDF document text
- https://universal4shipping.net/userfiles/file/xidagomut.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_off0000d172.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD172 | 5080 bytes |
SHA-256: eca0f7eb282a7d8558e421cc21187f50432d5b8f1a82b0aaa04f1618b623ef1f |
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font_01_sfnt_off0000e2a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2A2 | 11100 bytes |
SHA-256: 0c4a2b73d5492fee489c42de158f3ac299768d03a1cbd4698084ba68a5d7b062 |
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