MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains a link farm pointing to compromised WordPress upload storage and presents a visual download button, suggesting a lure to download a secondary payload. The embedded URLs and the nature of the heuristics strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e70b087820---sixufosepogatalejigosit.pdf
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/f92298e2d2548cb80612c19db2246ec3/11445015977.pdf
- http://aliceinformaticasrl.com/user/pages/94690560956.pdf
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/5888c2393858eee91eb87dfd939b85d0/zimanonufutak.pdf
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/ugbf2ps6003g5cipu2mb0a8d01/19991237792.pdf
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/9f74b86c8bd6ce35bdcbed6d7bac6857/25070228424.pdf
- http://i-dron.cz/data/file/rofigukovevugageju.pdf
- http://kochamsushi.pl/UserFiles/file/85260352068.pdf
- http://progfin.pl/userfiles/file/gogedakuxebixepajotoli.pdf
- https://prolocolidodisavio.org/ckfinder/userfiles/files/16444897745.pdf
- https://www.cpro.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16082f781db188---96158631450.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/ee2eac99abd53fb168c66b8d8cfe96d4/napobowatozibufiwalirok.pdf
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a8790689d---mipigovejowujujem.pdf
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/c9c10a076b665d7cf2c9476ed7622623/darukevunoxoxojali.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160b7b60cd7005---98738893516.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16087f20cb4606---50111051379.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=isaimini+2019+tamil+movies
- 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://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fe2c.bin766bb5eb09e30e60b0cd88e8df5bc336a58b5b16dc1711c7a74755a4a6c48b23 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE2C | 5212 bytes |
font_01_sfnt_off00010fd5.bin19d579821e83c32cd478aefcb57f849508ece8625c42f2108810477b29a00d2f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FD5 | 1936 bytes |
font_02_sfnt_off0001191b.bin76d77d2519964cb2bf9ccb945087121b84a33f2809a19abe9e4dcae9d23f6d89 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1191B | 11264 bytes |
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