MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating it functions as a link farm pointing to compromised WordPress uploads and disposable hosting. The embedded URLs, while numerous, primarily serve to redirect users, suggesting a phishing or redirection attack. No scripts were extracted, limiting the analysis of direct execution vectors.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba806b5829d---57183841628.pdf In PDF document text
- http://aprendanow.com/wp-content/plugins/super-forms/uploads/php/files/14a287c517901139695ed46d17d85a6b/negajaxabadujoxe.pdfIn PDF document text
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/938784ced5775c0e2111309b28af4207/tawok.pdfIn PDF document text
- http://archinfo.ru/uploads/file/18449340799.pdfIn PDF document text
- https://handientu.vn/userfiles/file/62528632880.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/vq9ku6718nb9o3l44lr6d8c2l3/ladisa.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609415aed3008---devepamox.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/9faaf6da167ef10a4263483b46b57501/mudawijumuxawib.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b00b1d898d1---17276728834.pdfIn PDF document text
- http://gulfcoolcontracting.com/uploads/userfiles/file/file/96940277918.pdfIn PDF document text
- https://easy2ticket.com/upload/files/19168977023.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a1145bacf0f---1586921068.pdfIn PDF document text
- http://budoprojekt.eu/obrazy/file/15408757472.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/3a863748871aede4891d3c8e9162bf87/91691215686.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160941f759578d---xabadipotuxariwusixe.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/ec1d78f7d9b5cb0fddcc1640dd82f07b/puxetexejagisezumed.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c217e596886---27536739849.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606d162c75b84---89064323042.pdfIn PDF document text
- http://cec-intl.ru/app/webroot/files/file/16762711248.pdfIn PDF document text
- http://195exim.com/datas/files/zemosubapazoru.pdfIn PDF document text
- https://sailstudy.in/ckfinder/userfiles/files/76258079181.pdfIn PDF document text
- http://aisef.org/uploads/userfiles/file/file/vadefoxuxoken.pdfIn PDF document text
- http://graphicyazd.com/ckfinder/userfiles/files/75252763751.pdfIn PDF document text
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/5cf48dd852429a257c7b8f9833787ad9/mimumowosovoba.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=muscles+of+the+pupilPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f9ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9AE | 10304 bytes |
SHA-256: a467a59caf576b0645b68da7c9b683d799e95b4d0960c2b4e0fd34f5277795ef |
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font_01_sfnt_off0001110d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1110D | 16180 bytes |
SHA-256: a78269753675205fece12670325278f77ef37ca94c32cf4a9af870f12c101171 |
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font_02_sfnt_off00013ab5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AB5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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