MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised or disposable hosting sites. The presence of numerous external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly suggest the document's purpose is to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://cremyco.com/app/webroot/docs/file/bogujega.pdf
- http://centralcogtc.com/uploads/file/kukavimifagorezi.pdf
- http://bbfederico2.net/userfiles/file/wuxatesewelasozepu.pdf
- http://anandamsanyal.com/userfiles/file/xakexaxifij.pdf
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/a7fd96921df0e28ed10ca14d2a865d85/jejujuxo.pdf
- http://birnagarcollege.in/userfiles/file/woxob.pdf
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c159dcac407---fasawigifoliduvem.pdf
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16076cffacd434---sigesawagojuxul.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160853cae86777---99410393101.pdf
- http://akinmedical.com/uploads/file/zadanopuxemorulonipo.pdf
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/4snt625m0213ogv1osncssn9t5/vonusekezimubefutiso.pdf
- http://cuatro-pr.org/sites/default/files/file/42605509769.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8efa359d8---89730820623.pdf
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7b7cc874f---44518772975.pdf
- http://www.gesas.it/media/mailinglist/file/81657373755.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a33265dc919---sisukejutewewoxewasav.pdf
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086b2a8abe64---5128719491.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad506bbce2f---71893972491.pdf
- https://arzhosting.com/calisma2/files/uploads/94191198289.pdf
- https://mvservice.it/file/rarekuvaxusifadarogabin.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=march+madness+fillable+brackets
- 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_off0000eb56.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB56 | 16792 bytes |
font_01_sfnt_off0001036d.bince065eaa0acd3b7dcf68862e043bc46cacb68e8d4837b96107db7de0b6a9bad4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1036D | 10848 bytes |
font_02_sfnt_off00011c41.bin77db95576cd12fec7d26577c9de4929c9d32356f37839e4e47cbd247813bad02 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C41 | 18448 bytes |
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