MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the PDF structure and heuristic firings strongly suggest it's part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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 http://ahkjt.com/upfile/file/94733926242.pdf
- http://ruben.pl/ckfinder/userfiles/files/96902910146.pdf
- http://nhaphangmy.us/upload/files/24483019410.pdf
- https://ceral.pl/ceral/pliki/file/jelad.pdf
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160a61ef6af973---mokoxewewil.pdf
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd4660c170---68614719718.pdf
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160866803b43ab---zubajodurure.pdf
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7b597ab8ef---6033025187.pdf
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/641ab4o8fm4ujff1mm8is446bi/gukonixo.pdf
- http://tuzvedo.hu/elemek/file/lurazetapewusofugegin.pdf
- http://interwork.sk/userfiles/file/8753891381.pdf
- https://milliondollardesiclub.com/upload_files/featured/files/19572408493.pdf
- https://gregor-biffiger.ch/userfiles/file/sopefetuv.pdf
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607b2887d4858---96357043209.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a41055e72b6---87299752337.pdf
- http://www.alborada.es/ckfinder/userfiles/files/31692022783.pdf
- https://amitadevnani.com/userfiles/file/58547881040.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd12f2eddb---fewuresororilipi.pdf
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/8214f943c201386e1f4506eeb609c8df/64726862551.pdf
- https://clubsecurite.fr/webroot/upload/files/suzadir.pdf
- http://teknis.it/userfiles/files/fidonir.pdf
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/da7e8d8e5cb179edad1519f88f692efb/weramurezanidelalozakufu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=buying+out+a+partner+in+a+small+business
- 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_off0000f249.bin7acbd9c190c442587dad5addc1b7cf9548d35da95dca0b0904fc3de6bbea2b70 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF249 | 17680 bytes |
font_01_sfnt_off00011ffd.binb8cf7e244ab6d47780610e4b1f110c7c4c0c7aa4317c5f399fbccbd06d4e51fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FFD | 11004 bytes |
font_02_sfnt_off00013964.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13964 | 16792 bytes |
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