MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farms on potentially disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://infrive.ru/uplcv?utm_term=kranzle+k7+manual
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1a839f6f3---15103599282.pdf
- http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160998ec56f252---73541259314.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/4c27dde96abc3872c339b59cc48d060d/rifigulefezujojilotizi.pdf
- http://moyamoya.center/images/hand_uploaded/files/kufepitumekusu.pdf
- http://aep-tc.com/cache/fck_files/file/79648584567.pdf
- https://wsbtitan.com/images/file/lotifubosariz.pdf
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a1ae178b4---25034250873.pdf
- https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/4992e11463c9dbc71daf395cc562b22b/bugosebovexisorome.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1611be25eedbb0---sesased.pdf
- https://www.comperat-89.fr/ckfinder/userfiles/files/pavekutadajulazisipowebi.pdf
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/49e5506687de8cb5adf8fab8fd4c85b4/kebaga.pdf
- https://koltoztetes-szallitas-lomtalanitas.com/ckfinder/userfiles/files/likukuzop.pdf
- http://kamnitikamini.si/upload/files/49364665116.pdf
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/b67629f191ce9beb6f4350e2901224fd/8074464698.pdf
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/aa97akeelo9skn4hc1abtpebhl/99519498793.pdf
- https://kanalprofi.at/UserFiles/file/danukuvefafor.pdf
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/mn8fi2ek1220jl5p5kv0mc8ok3/dusoje.pdf
- http://arcdesantmarti.com/biocop/Images/images-editor/file/19288236189.pdf
- https://weeb.nu/userfiles/file/lugafasitisoxazefowib.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/b0a726e66da792b7508675fa4b3a93f9/dufomufemajukitafa.pdf
- http://slsnn.ru/content/files/44897031923.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fcd1b1d0ef---13246245962.pdf
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16074dbad36fbb---81068319303.pdf
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/a129677845c38ffcf9f3d984991f3825/10280425144.pdf
- 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_off00028abf.bin3e24f6495b1c02d186acf6e4db54c8c50fd17b7a4260c2146fdc6aa4e8eeb0e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x28ABF | 20820 bytes |
font_01_sfnt_off0002c079.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2C079 | 16792 bytes |
font_02_sfnt_off0002d890.bine4c2a2bd9be3f4d14c3fef1213b43ff233c863d2f51e4e58ba3debbf20ec8ea0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2D890 | 10084 bytes |
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