MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised websites, identified by heuristics as a link farm on disposable hosting and compromised CMS uploads. ClamAV and ML classifiers confirm its malicious nature, specifically flagging it as a phishing trojan. The embedded URLs suggest the primary goal is to redirect the user to malicious content, likely for credential harvesting or further 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://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c460f5179d4---kuzezipisu.pdf In PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/16079365d12100---getipujeviviriserabowudi.pdfIn PDF document text
- https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/e1a957db8876c07ee6c3ff53498a6f70/58056694112.pdfIn PDF document text
- http://carneslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/biwemupizu.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160811eb815036---77407527003.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/2s3l4fpini9rd041f040bh5rr2/22972262907.pdfIn PDF document text
- http://webinaris.biz/ckfinder/userfiles/publics/files/59775296644.pdfIn PDF document text
- https://tort-art.ru/userfiles/file/21136989169.pdfIn PDF document text
- https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/jo9ohl5vnugqvrvvfiicn0un4n/77396219824.pdfIn PDF document text
- https://argumentua.com/i/file/sagafemowaxumitene.pdfIn PDF document text
- https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/20ac0ea6ffea61008684cc3a0572cca9/jeriza.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/mcvimmhlpfe9isopghpl0n1p3c/ludovujosesiwogade.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c96368c0541---zulokuzagenijori.pdfIn PDF document text
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/c651a031f4c67c0a7ef4a70c11aebdf0/mibefuladatijojawabiz.pdfIn PDF document text
- http://safires.cz/ckfinder/userfiles/files/gubufijuviboxexumikika.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609496f2715e8---65650360678.pdfIn PDF document text
- https://ekransamara.ru/files/98280563157.pdfIn PDF document text
- http://www.ecostroyservis.ru/File/pumadu.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16098796038b5f---zasuperekelakoruza.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608497242ed5c---fekurazifapapij.pdfIn PDF document text
- http://pivotal-technologies.com/userfiles/file/13529914883.pdfIn PDF document text
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/7610e44ef218003ebcacbd2f9655379c/zegibijap.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160bb614ac1e10---sadokak.pdfIn PDF document text
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160bbd66853050---xesufa.pdfIn PDF document text
- http://geyikkimya.com/userfiles/upload/file/kupukaxededorarutekep.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=my+fat+mom+nakedPDF link annotation
- 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_off0000f3ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3AC | 16364 bytes |
SHA-256: 4a69d57b469c8298fe49cf366a252fcced3a4972adb39a77d697657ed1e9291f |
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font_01_sfnt_off00011e08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E08 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001361f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1361F | 10308 bytes |
SHA-256: dd79a9bb01469309a221d10c38122800e611f967203c3a2f917d15ad57b77a6a |
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