MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains a link farm pointing to numerous compromised WordPress sites, likely intended to host malicious content or redirect users to phishing pages. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports the link farm attack pattern. No scripts were extracted, but the overall structure suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9927
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609982c4649ba---vasubajodiruruwixusumena.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c82780c2d8---26158297317.pdf
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/3d659551a4039b5ba23fb6e16772b153/fisafujereluwaw.pdf
- http://tungalag.mn/userfiles/files/bigoxagivedejefapatupe.pdf
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/mb2m0uujqet9pjtrsbadfvkne1/43314003111.pdf
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a89c470cefd---66893356529.pdf
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160c3e7e7e7d2f---38933979404.pdf
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b17ff357f77---49107286614.pdf
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb6ff8d14a---26072695187.pdf
- http://erfaspot.com/resimler/files/merasax.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c06cfdd886---10835179790.pdf
- http://ylpcl.com/ckfinder/userfiles/files/63054037165.pdf
- https://bhsbeacon.com/FCKeditor/file/54653723432.pdf
- https://golf-tout-terrain.com/publish/page/file/9809705122.pdf
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/80cb05c0d4f53003ba35112129df2ac4/gagefoluwefigopop.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/9e6a4e0fc6ede0f1d091eaa041f5b069/mogurobavebesi.pdf
- http://goodtraefarm.com/ckupload/files/xubasimagedag.pdf
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a08f2fb6a50---dipadezunesosos.pdf
- http://studiolegalezullo.eu/userfiles/files/jepifutexeb.pdf
- http://caigeshi.com/uploadfile/file/2021061908431073499.pdf
- http://funperm.ru/content/file/81691147263.pdf
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/6a259b41acab04b470e1fbc1a2e3ce4b/fijanara.pdf
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/2f446993131a71f99fc8fd439a36ea70/12297580012.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=crockpot+chicken+and+sausage+gumbo
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f0a5.binfd494554c7a7a2c4488382a78096c535ff133766c7221992be4f6a58596b2467 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0A5 | 16164 bytes |
font_01_sfnt_off00010617.bin7fcafadacc94a21b5b8c096f027af7bd80dffd6be15fa83c43163537272149a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10617 | 18232 bytes |
font_02_sfnt_off000135a6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135A6 | 16792 bytes |
font_03_sfnt_off00014dbd.bin4dd2c17afd7f698e1c73ee8cca0f24fed87a095572435e39b3b0d912f00ab497 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14DBD | 11280 bytes |
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