MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, despite some being marked benign, are part of a larger pattern of directing users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9944
Heuristics 6
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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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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://www.firengo.com/userfiles/files/59006480564.pdf
- https://pmms-online.com/assets/file/71558479786.pdf
- https://willmarlakesarea2040.com/ckfinder/userfiles/files/jarejedovalukazilazijig.pdf
- http://slsnn.ru/content/file/29601652934.pdf
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b23992cb1---87270997565.pdf
- http://euroteam.vn/ckfinder/userfiles//files/fisunoxilosa.pdf
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/h1ib5ntuht0a9plo87sp0lt6i9/72236669977.pdf
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/0137ef2a3713f00d14bf8b905481dc4a/22068919112.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607019c313b14---vamutex.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b4745406e64---kefezisirunides.pdf
- http://18554080.com/userfiles/file/7720846372.pdf
- http://brmc.jp/user_data/userfiles/files/96274419691.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b14bcc9f39e---fuduxupu.pdf
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/keu2pgijs66kc3hoqtpesv3br3/87317641230.pdf
- https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/d68eed3cc1a529e8a1084f3dedd2606a/fetojusapepisodukata.pdf
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/eec0044b1a0029601237c2254cad5a12/26667843284.pdf
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091139fd956e---57569890286.pdf
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/uitgqdo49v8mvktvmuvgs5078s/vimixebusifowogixifuwu.pdf
- http://erex.hu/upload/file/vusoxafibinilifepanagi.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160aec0d08fe55---82649873955.pdf
- http://theheavent.com/userfiles/files/gevozotifugotasatuti.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7744fb68b2---pesipimawiwugakavogin.pdf
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/5d44c0515e07fea3186c27996b5300d6/zanokarimilulapokofu.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608355cb48706---ginigo.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=networked+life+20+questions+and+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_off0000eb2f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB2F | 16792 bytes |
font_01_sfnt_off00010346.bin2692f90d9b144487575f75ff379f668bae87f3a7049b42ffffb813c39710053e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10346 | 10992 bytes |
font_02_sfnt_off00011cd7.bin62db7d0f24a85698e2ff3f340524e75ac740b7f34afb71c0259ff230ad46b084 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CD7 | 17732 bytes |
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