MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple heuristics indicating it is part of a link farm, with several URLs pointing to compromised WordPress sites. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggests the document's purpose is to trick the user into downloading a password-protected archive, likely to evade gateway scanning. The 'SE_CALLBACK_LURE' heuristic further supports a phishing or scam pretext. While no scripts were explicitly extracted, the ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160942f817b292---jimebakamepizupose.pdf
- http://ngor2-3.com/file_media/file_image/file/nebax.pdf
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c12ec67873d---fesabulukufu.pdf
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/j270oddnunn8h43b08jgmkei0o/77382880341.pdf
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/eunt7hsp26mgcm19fribr4il38/kexarudob.pdf
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/acb7ml3h4geu8j2qpol1jpjva0/60776273694.pdf
- http://nature-revive.org/files/file/jemat.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1180974e8---xiwizexevix.pdf
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160756df845987---famebeg.pdf
- https://marosme.ro/hirek/file/15682786409.pdf
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16079439665dbe---19050735581.pdf
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/mnb2n5jiqpc51e3k7b5nfo7h06/vireroxonovifotu.pdf
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a4bf30074f4---89320234720.pdf
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a50fd40b224---92562008606.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a7e404cf86f---lakiziterigod.pdf
- http://kstarsmall.net/userfiles/file///41369469331.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/302860f4ec73e09bda79ca6db7157d97/jixebusaverejodap.pdf
- https://asthasupermarket.com/userfiles/file/12883775365.pdf
- http://jyjwqj.com/uploadfile/file///2021060409462265.pdf
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/1e7fb943b6f8606a0bfadaee55a4ccbf/wakapidiz.pdf
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/cc28207407a2b087e88669c650e20b2b/61134762334.pdf
- https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/ke6tqjvf5m3s9mcgadbsv27tgi/gamobiban.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=tell+me+about+yourself+answers+for+customer+service
- 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_off0000e1cc.binbd87cbca9d2a21930c8ae1f4f43366587eb97e082e0a663a9bfc445fe779ee30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1CC | 17484 bytes |
font_01_sfnt_off00010f98.bin57bc2c0d9c62b5fa1e96a45aaf33ecfa767a1f9f25befe5fdc7dfa67a515df2b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F98 | 10968 bytes |
font_02_sfnt_off00012926.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12926 | 16792 bytes |
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