MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML detection and ClamAV identifying it as a phishing trojan. The file functions as a link farm, with numerous embedded URLs pointing to compromised CMS upload directories. These links likely serve as lures for phishing attacks or to distribute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/43de75723085c4a4b00d9c4f2a54ae84/91975721275.pdf
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/d4ab6c22a29d79b0eccf7ab20620eda2/sorisexogajewikurowotova.pdf
- http://hitecds.com/userfiles/file/46063106631.pdf
- http://ohsongpharm.com/ckfinder/userfiles/files/48174746950.pdf
- http://tc-antey.ru/uploads/files/93012987650.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/161315f8776da7---poluzubuxotibixumapama.pdf
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f14a3468d6---mugurupe.pdf
- http://phanmemerp.vn/attachment/files/42142698441.pdf
- https://motecx.com/images/file/80660110219.pdf
- http://fli.edu.mn/ckfinder/userfiles/files/sumezadivajile.pdf
- http://pushgroup.lv/userfiles/files/72836777901.pdf
- http://tomaszfilipczak.pl/userfiles/file/fonoralejud.pdf
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/161373b16c1d7c---40639731031.pdf
- https://lotte-ppta.com/beta/assets/file/ritepanufaximi.pdf
- http://shopabrang.com/images/files/11481173786.pdf
- http://albino-pitti.com/pub_img/file/8520812333.pdf
- http://fukaofoods.tw/uploads/files/202109030007212835.pdf
- http://kammed.com/userfiles/file/77714093508.pdf
- http://sambometal.com/dataroom/file/89021401326.pdf
- http://kursverwaltung.fit-n-essen.ch/ckfinder/userfiles/files/xikovukabijalavil.pdf
- https://miaousland.fr/ckfinder/userfiles/files/13940757913.pdf
- http://vagyonvedelemszolnok.hu/admin/fck_upload/file/giputegume.pdf
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/161359f7297c49---31030538543.pdf
- http://dynamic1984.com/user_file/file/xolojopusikujalugolut.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=patras+karan+ki+book+arvind+jagtap+pdf+download
- 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_off0000b517.bindc6a0ab8410e3e44fc46d6f1b61495499c458bd142e54eb3bd34b02ee13feca5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB517 | 11056 bytes |
font_01_sfnt_off0000ce93.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE93 | 16792 bytes |
font_02_sfnt_off0000e6a5.bin9076a2b4f03f36d7e724f3323132bdac496311c0772b6eb0eff84fe580b9eceb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6A5 | 16456 bytes |
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