MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. The 'SE_CALLBACK_LURE' heuristic indicates the document likely attempts to trick the user into calling a fraudulent phone number, consistent with callback phishing or tech-support scams. While no scripts were explicitly extracted, the presence of numerous embedded URLs pointing to potentially compromised or disposable hosting suggests a link farm or redirection mechanism, possibly leading to a malicious payload or phishing page.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://anjingliar.com/contents/files/10955599487.pdf
- http://elencostruzioni.it/userfiles/files/92735507939.pdf
- http://pokewaveanaheim.com/uploads/files/76025305332.pdf
- http://aite-materials.com/upfiles/file/lodow.pdf
- http://vitrine-prof.com/files/sobusonatanamasa.pdf
- http://dalboncostruzioni.it/userfiles/files/58687953933.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609c1fdc6cf9f---wozegeragisuvepo.pdf
- http://progfin.pl/userfiles/file/50816465496.pdf
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/3qp1c4o8k8gq7cabgb8kdps5u1/ranopifiluw.pdf
- http://bennett-legal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/puzefutesukexopo.pdf
- http://murielbellhomes.com/userfiles/files/32950674094.pdf
- http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/jawovutizedirokevug.pdf
- http://bulk-supplies.com/userfiles/file/lazejivovezavowotosefoli.pdf
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082b0dbc8ece---pemesexemenebaba.pdf
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102cb7c0ea06---72130091707.pdf
- https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/3b675816955832aa028f4aa667c9949f/xawamokuxonokanugufofe.pdf
- http://fqcycpa.com/jingkelun/userfiles/files/20210730084609.pdf
- http://jrpst.pl/userfiles/file/vutetumagojafezigatuli.pdf
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/tf1s5lacli73j1es5s0sgsvc71/50892971827.pdf
- http://herbwaterthailand.com/userfiles/files/66779855751.pdf
- http://uelzecht.lu/userfiles/files/96309837810.pdf
- http://romangruszecki.com/uploaded/file/muwekutagoxajanusebud.pdf
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160c51dd728a3d---35377623842.pdf
- http://instandee.com/Images_upload/files/37673548332.pdf
- https://bravo-hk.com/userfiles/file/33442527131.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=2002+isuzu+trooper+service+manual+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_off0000c53d.bin109190094c94e6c41166bf696efae1cfd164d2204ec3a2ba6e88b0159e436719 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC53D | 11152 bytes |
font_01_sfnt_off0000df64.bind569d855ae8439486c8efa7522c5299ac7d9091ba6dc961375029c62b58adb74 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF64 | 17304 bytes |
font_02_sfnt_off00010c5f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C5F | 16792 bytes |
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