MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document is flagged as malicious by multiple engines, including ClamAV and an ML classifier. The 'SE_CALLBACK_LURE' heuristic indicates it's designed to trick users into calling a fraudulent support number, likely for a scam. While no scripts were extracted, the PDF structure and embedded URLs suggest it may exploit vulnerabilities or redirect to malicious content, aligning with common phishing and exploitation tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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 http://msinziniering.com/userfiles/file/widoteburadetopawi.pdf
- https://couvreur-hautdoubs.fr/internet_new/images_et_fichiers//file/tapagubikoxemerodorepobo.pdf
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/bb1c7f24989e916fc49060cb9a33181c/98104542359.pdf
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/osqbrej8dhqsf038f1p8vmukt5/56470426726.pdf
- http://berallebags.com/UploadFiles/FCKeditor/20210510020557.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160873d2d84ddc---46723858369.pdf
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/563451921609480b42cf85.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160717c489d163---pidifobupitila.pdf
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/3i9hdjess4fer3divm43h20cck/41836464394.pdf
- http://centralgiving.com/media/userfiles/file/88899853828.pdf
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b7565474e---gevilanop.pdf
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/798e23984c237f9022b0305ce9a011b2/19148746582.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a5f49dccb58---31081843132.pdf
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/4gm5drhbsfbgn5329rthb1j9du/sutibirubetuludutipe.pdf
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/49102b91cbffbe39d7adb9f21b7d73de/10236910846.pdf
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/tanmcsmn70c58go3urnsd9uhi5/49460633218.pdf
- http://eko-inwest.eu/upload/file/muwunimuwi.pdf
- https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/eurb4dg6h6nb3s0icr9gg1srtm/38459403966.pdf
- https://lacecinella.com/writable/public/userfiles/file/dumigorezinatepitofer.pdf
- https://aftaplan.com/works/peepsparty/html/upload_files/file/91596130849.pdf
- http://cosmic-kino.ru/sadm_files/53506497039.pdf
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d4bd1eac1---72780662884.pdf
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160a1319da148c---lukozisijatajekapefug.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=undefined+reference+to+vtable+for+constructor
- 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_off0000d23f.bindbfd527791edb5651b8c937d90787a5363614693c0ae0333625c03b3c3f32dc4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD23F | 10784 bytes |
font_01_sfnt_off0000eb35.bin4ad859af983eb569b823e364fe6f43b3249095d994dc4355a1b89377e65c714e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB35 | 17568 bytes |
font_02_sfnt_off00011a04.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A04 | 16792 bytes |
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