MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as a malicious PDF by ML classifiers and ClamAV. It contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to host malicious content or phishing pages, aligning with a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c8a28de34f---rubedunanus.pdf
- https://brahmagnanam.org/fck_uploads/file/lebazufewufe.pdf
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d07ee2a9352---dufirase.pdf
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094223e75d8c---salobeganeb.pdf
- https://chulintemple.org/CKEdit/upload/files/zivinidimazavipazet.pdf
- http://dalboncostruzioni.it/userfiles/files/kimitu.pdf
- https://uleshuzataruhaz.hu/files/file/bemavodakefuvenuf.pdf
- http://blbr365.com/userfiles/file/1621009125.pdf
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077b85471dd9---megusudepemawugu.pdf
- http://mayamalay.com/clients/874202/File/rubomapisimodoxu.pdf
- http://aexpress.lv/index/images/up/file/kibag.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/10sv36g4cft2gdrc0ds639o2f9/9838441645.pdf
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/7d57vidh9rgtbog0eq2dllpgse/liseseterirerezuvo.pdf
- http://duonglaohanoi.com/userfiles/file/nawekurubagezisubifuv.pdf
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d578ed4610a---dumifunafigikej.pdf
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/479d7fb6ed6c01ae31432fab86a506d5/rugiviwajuwuberegapar.pdf
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/86459fa17a9cc41c2c3bcf60cd203c48/68208203790.pdf
- http://colafranceschi.it/userfiles/files/31271511948.pdf
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/95j4uvfij1mj7h9oaa7b7d8ofq/65019243590.pdf
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f8f826ec1---30942438069.pdf
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160979d4c030e5---31812297191.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/q3pi6s4hjfci3smam5jtcoem39/15651747477.pdf
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/9a6f62e1994680686b9966ed5ec04c2d/83904895115.pdf
- http://phuquytravel.com/nguyenvanlinh/files/fitilitazaravekewofaduf.pdf
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a629ca83ee7---juwenatajoru.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=guilly%27s+night+club
- 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_off0000c2c1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2C1 | 16792 bytes |
font_01_sfnt_off0000dad8.bina60b12725e3d1ca9269ac4c965345f8e93879f2fe5333f2c130a626d47123ae5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAD8 | 10420 bytes |
font_02_sfnt_off0000f275.binc02ddac5dd5d8ed20d749edbefb0930266c6dad7301289bac6dc0147b7f7793c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF275 | 16924 bytes |
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