MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The 'SE_CALLBACK_LURE' heuristic strongly suggests a callback phishing scam, where the document likely prompts the user to call a number for a fake issue. While no scripts were explicitly extracted, the PDF structure and embedded URLs point to a link farm hosted on potentially compromised websites, which are often used to host malicious payloads or redirect users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://dgaspcsm.ro/ckfinder/userfiles/files/gemefusukigog.pdf
- http://boursemoi.fr/userfiles/file/59298888116.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/26913462671b69c41c8b7b266415eaf8/nifamufakilebup.pdf
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd1f741802---87063056548.pdf
- https://giorgiosantinelli.it/file/197375966.pdf
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/237a25199bbd3d0bb4b46b64cb9d2949/ranajavufare.pdf
- https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/894d07b65821ab321a664add9be2a1bc/sexiv.pdf
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c695a24de87---vazojuxopuvimadobivazolem.pdf
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/q2i1e05icpe4rlgp0q1ibv3qbg/49092029974.pdf
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608d0d911bcb4---15789873166.pdf
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607acf0d21e5a---68706542250.pdf
- http://anhuicrew.com/upload_fck/file/2021-5-21/20210521162459237308.pdf
- https://aawyx.com/sites/default/imageuser/file/72388226833.pdf
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/q9t2h4q58kcfii2geum97i9epd/44215587438.pdf
- http://jrmhandling.nl/upload/file/xijinupo.pdf
- http://tuzvedo.hu/elemek/file/tamunowigawag.pdf
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608228cf7ec0f---sumaxuzulaxur.pdf
- https://addsfly.com/userfiles/file/64104082359.pdf
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/bddfe52f31fe3ab796ca0daba3503e74/difugim.pdf
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/9qbtmns6l1r61fr4oquiqmf2q1/88152905492.pdf
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/4df7da7506565fbfc433b987b72d2429/74494480808.pdf
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/306cda4vn48v0u92p024ab66gj/31100561912.pdf
- https://prokoncept.hu/admin/blogfck/image/file/2243307893.pdf
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160988b1b957a9---38561299483.pdf
- https://olympicwroclaw.pl/zdjecia/fck/file/baragorimipalafelane.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=example+interview+answers
- 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_off00010fd2.binae65e16b18a00835253846860f9bc2cadf538e851bc30361cebfd1e70493fc34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FD2 | 10532 bytes |
font_01_sfnt_off000127cb.bin85e4fc29b70447aa50b2908480d51a07461b8733de555d0b45b10fd5b7722383 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127CB | 17932 bytes |
font_02_sfnt_off000156a2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156A2 | 16792 bytes |
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