MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The sample contains numerous links pointing to compromised WordPress upload storage and disposable hosting, suggesting a link farm intended to redirect users to malicious sites. While no scripts were explicitly extracted, the nature of the heuristics and the presence of external links strongly indicate a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://adirondackseafood.com/ckfinder/userfiles/files/funezukesok.pdf
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a25785dec3d---66847758271.pdf
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608c22a0d8645---98975157909.pdf
- http://easytravel63.ru/ckfinder/userfiles/files/bovijovafipesazu.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b8c0308bf---bamuvapesoruzagilo.pdf
- http://tamilannuaire.com/var/www/vhosts/vps296430.ovh.net/tamilannuaire.com/images/file/lojigawafutekinuzonuxu.pdf
- https://chetanaus.org/bheru/uploadfiles/file/31941393422.pdf
- http://domusanna.it/userfiles/files/suxurafatekomajalujina.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608656740910e---7822893832.pdf
- http://izumrud38.com/ckfinder/userfiles/files/rukek.pdf
- https://actor-conseil.com/files/file/34206086845.pdf
- http://ahxxzx.com/userfiles/202105/file/50835119639.pdf
- http://congtrinhnhaviet.vn/upload/files/jowudifomotubafogasob.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/8c342ca18e0078554a6a4ffc469f6ec8/67641933141.pdf
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ee39093e4---81189488026.pdf
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/mcf0vtvhons0p8h6l1b2kol4rp/78686485401.pdf
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608e96b766c15---fewigovubibo.pdf
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c12882a628---vajofawufusanizulot.pdf
- https://lawina-radom.pl/files/file/40675648273.pdf
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a022ad13782---powipuxavawetipubixag.pdf
- https://doellefjelde-mussemarked.dk/images/newsmail/file/60009260541.pdf
- http://31kouqiang.com/userfiles/file/1622892718.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+use+manual+camera+settings
- 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_off0000fcf0.bin14203b45a3f8d623b61f13a125a01c5837f5e7319dfaac82c858d8e570088b35 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCF0 | 17052 bytes |
font_01_sfnt_off00012981.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12981 | 16792 bytes |
font_02_sfnt_off00014198.bin80cddab772479a98173692317eb48c53a3552a316eb436c7e00e495bd7f834e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14198 | 10748 bytes |
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