MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous external links, many hosted on compromised CMS uploads or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of 'utm_term' in one URL further supports a phishing or SEO poisoning tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://philabc.ru/uplcv?utm_term=rosary+novena+for+the+dead+pdf PDF link annotation
- http://firanywiktoria.pl/uploads/editor/file/teposugufusebata.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1609feec28c863---zozafujilevi.pdfIn PDF document text
- http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2f9c33cb09---96285632991.pdfIn PDF document text
- http://dirpub.org/editor/ckfinder/userfiles/files/lutururexugukoputuf.pdfIn PDF document text
- https://triangle-electronics.com/assets/userfiles/file/10565819082.pdfIn PDF document text
- https://asthasupermarket.com/userfiles/file/81225430705.pdfIn PDF document text
- http://conelser.hu/fck_uploads/file/68804110003.pdfIn PDF document text
- https://paroles-vives.com/ckfinder/userfiles/files/30379188902.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6e44590c5c---17171552533.pdfIn PDF document text
- http://donaldbermanmaimonidesgolf2021.com/clients/0/0d/0d43fbb8ff91cab41fa1b056c0d912a9/File/totevepeworuwit.pdfIn PDF document text
- http://meble-tk.pl/userfiles/file/widirevupolemo.pdfIn PDF document text
- http://quanhoangtsi.com/upload/quangtri/files/vemolajep.pdfIn PDF document text
- https://lentes123.com/aym_image/files/9682334413.pdfIn PDF document text
- http://sarljarry.com/userfiles/file/20970344819.pdfIn PDF document text
- https://palcev.ru/userfiles/file/38805442452.pdfIn PDF document text
- http://milwaukee.center/userfiles/file/8964239316.pdfIn PDF document text
- https://suacuachuyennghiep.com/uploads/files/32821316816.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102d23267c15---94994116367.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160a7dfd00d4e1---kimuxepolaxaxave.pdfIn PDF document text
- http://wccflooring.com/userfiles/files/98174257113.pdfIn PDF document text
- http://kennedy-jackson.com/clients/f/f7/f78508644b517540cdb1549d93860f53/File/19259046210.pdfIn PDF document text
- 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_off0000d233.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD233 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ea4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA4A | 10684 bytes |
SHA-256: 725f9a13b9ce9726ba6e7e1ee520f2f71f1841ce4f257709cbc12d0aaa0c94ec |
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font_02_sfnt_off000102cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102CB | 17252 bytes |
SHA-256: 82f4ad945ec05e70eb9615547fb9296b207d7f46139815f1bf5560002975f6d1 |
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