MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The ML classifier and ClamAV detection strongly indicate maliciousness. The heuristics identify the document as a link farm pointing to compromised WordPress uploads and disposable hosting, consistent with advance-fee scams or callback phishing lures. The embedded URLs are likely used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 8
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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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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://infrive.ru/uplcv?utm_term=the+great+canyon
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/699884c6c88a9a55e8da0198d165aa8d/54567625287.pdf
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b79742aee77---8359379212.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/94810d319313a55d9e438f94c34dd731/vafakakitinamujubazog.pdf
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160aad4ed876fc---susojamazi.pdf
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160960c6f6e8ad---jajos.pdf
- https://groupunsur1.com/contents//files/44695352615.pdf
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bb4fc9bc01f---xikosefoxavepixuxalovoxa.pdf
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b472d5be3c9---76884604789.pdf
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160ba744ce198b---99739600043.pdf
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609193ec896f2---gidunaxazediwukotimuwiri.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160747aecd47ae---38231686018.pdf
- https://alice-immo.com/userfiles/file/jamiwamigajaziwemonozekod.pdf
- http://bbfederico2.net/userfiles/file/kapibazozul.pdf
- http://bitite.lv/media/txt/122/file/93804258945.pdf
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8c8f13394---tivolipewozexotijulu.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_off0000fe45.bina5ac3b0f647f2ec3a858e9c0ae00a99611cfe4b8347040948ef30d58eefdd616 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE45 | 10280 bytes |
font_01_sfnt_off00011570.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11570 | 16792 bytes |
font_02_sfnt_off00012d82.binc71ac75477f32d193a2be6690407cad540b6d754e4e4fb0c4ba38a96ea35e635 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D82 | 17360 bytes |
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