MALICIOUS
176
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 link farm or phishing lure. The presence of a callback lure heuristic indicates a potential phishing attempt where users are prompted to call a number. ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious nature of this document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://coretry.ru/uplcv?utm_term=globalization+and+state+sovereignty+pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5fa8d3347---bavibuzopiniv.pdf
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d4ae4deb9---wanuwobalu.pdf
- http://sy-smile.com/upload/files/34716341198.pdf
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b49f4b4325---38284256288.pdf
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160844b139b7d4---17671636463.pdf
- http://africa-emergence2019.com/userfiles/file/6697004082.pdf
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed31b01645---81633288089.pdf
- http://teechart.com/uploads/images/files/zutebozojiduloz.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160a09b998f202---12450136014.pdf
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16072c07365100---69009413404.pdf
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4506fd9312---42931290065.pdf
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/e884549208e73fae4cee496852a90ee9/30448949664.pdf
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca2775a7b6---movunejetofuwenupame.pdf
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/81uouu071r5mq2rbk9enf478e3/jejakumelerunufeni.pdf
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072c8f700fb1---40323797282.pdf
- http://thaiboxes.com/piceditor/file/60396598819.pdf
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/22354387160cd31332cf12.pdf
- http://ndt-tl.ru/upload/file/kojopawiwewizusemavezu.pdf
- https://vicotelecom.vn/static/source/images/file/95020743835.pdf
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16073e8e8a551b---2243895830.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000114b9.bin1cfab680ca1205736932422a66921df7732d2c37b00b686d72736373f62f27b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114B9 | 17220 bytes |
font_01_sfnt_off000141b9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141B9 | 16792 bytes |
font_02_sfnt_off000159d0.bin794cc55cb45320082305ed3348ebc229ddcad1a052762317fefabbc798a4c654 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x159D0 | 11092 bytes |
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