MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with numerous external URIs pointing to potentially compromised or disposable hosting. The presence of multiple links, including those with 'utm_term' parameters, suggests an attempt to direct users to malicious sites for phishing or malware delivery.
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://crewmak.ru/uplcv?utm_term=flyover+maps+android PDF link annotation
- https://jagominum.com/contents/files/jenegugovakotanijarexiz.pdfIn PDF document text
- http://www.primariasantana.ro/uploads/file/faxeja.pdfIn PDF document text
- http://sun-eko.eu/files/file/namavo.pdfIn PDF document text
- http://greentreeprep.com/cote_dor_import/admin/ckfinder/userfiles/files/12502178333.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/tfaihb1hsrr062fgtd2m7r82a7/pimemabemi.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141ef7c6cbb2---weresipatofo.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/43714869476.pdfIn PDF document text
- http://fsgzb.com/upfolder/e/files/20210903091212.pdfIn PDF document text
- http://lienming-rubber.com/uploads/files/202109101344252044.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16142f747aa5e0---bilajakumirazoxa.pdfIn PDF document text
- https://karolinanowak.com/userfiles/file/baxiwe.pdfIn PDF document text
- http://culbertsonlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kidewagumu.pdfIn PDF document text
- http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/50701500607.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143006e70ead---31453370257.pdfIn PDF document text
- http://hongphuc.vn/userfiles/file/12534397455.pdfIn PDF document text
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/55865307968.pdfIn PDF document text
- http://shopcode.ru/uploads/file/firujimoloxego.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16146526d98196---munoj.pdfIn PDF document text
- http://bamboomfi.com/htdocs/cljr/data/files/48559870131.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16131723c74f3f---5108556280.pdfIn PDF document text
- http://unixsensor.com/uploads/files/202109071755346356.pdfIn PDF document text
- https://alatheir.com/atheirwsfiles/file/lerumoboxogenimolas.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7ff74fec6---sodalalonab.pdfIn PDF document text
- http://uni-soar.com/userfiles/file/bexesegim.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_off0000f78c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF78C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010f9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F9E | 19492 bytes |
SHA-256: f7332fd1acded9616ee9c1275ce52704146258570710cc265ada5155fbe58a48 |
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font_02_sfnt_off0001422b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1422B | 10612 bytes |
SHA-256: dfb0fa7c9cf9c39e4a97832ea48aa9a586ec53ea4f41c5c85666df059ecb8d35 |
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