MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV. It contains numerous links pointing to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to redirect users. The presence of external URIs and a link farm on potentially compromised or disposable hosting indicates a phishing or malware distribution attempt.
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 https://cructi.ru/uplcv?utm_term=brown+with+silver+balayage
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/r6762v1qgurq6lmnb4s47losrh/86352437257.pdf
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/f4f9ebdb0ceef2c10f9a7e8448d38886/88287685334.pdf
- https://watfordfairtrade.org/app/webroot/img/files/gewirafetavefufefalidaxe.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e1ceda561---fefejafofitokilamofopapis.pdf
- http://cnc-soustruzeni.cz/files/file/83333506005.pdf
- https://bdblue.com/ckfinder/userfiles/files/limoge.pdf
- https://cometsecurity.in/admin/userfiles/file/7277672434.pdf
- http://alibabashipping.com/userfiles/file/68738718121.pdf
- http://jrmhandling.nl/upload/file/jivalinonul.pdf
- https://taiwancy.com/app/webroot/userfiles/files/wiwelufen.pdf
- https://cgeminfos.ma/upload/file/mamebozegipezorar.pdf
- http://nhasachnguyenvancu.com/Images_upload/files/xubakikirefokanekulinok.pdf
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf7821c1132---71443892785.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8a24aae130---74804324724.pdf
- http://willbramephotography.com/pivorofoxofilun.pdf
- https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/icqc5lmkpc0cf39bae9k2odu9k/nuwenegosaragi.pdf
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160d76ac5e6b84---jowenolodet.pdf
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/4befb8788e87b362ac04d7dd58e553d8/1556333905.pdf
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a4a01c364---62290968133.pdf
- https://aparcaderoshaddaichile.cl/uploads/images/files/40642175634.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/74dacc78512c906aa31c6baca876de1f/40603873088.pdf
- http://ceomit.com/fckupload/file/govinuvugutokanuli.pdf
- 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_off0000e66a.bin70233e0be859f69e24ed15156ec897973f31e8fdfdc3d864f5562e5aee76e2cd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE66A | 16888 bytes |
font_01_sfnt_off0001125e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1125E | 16792 bytes |
font_02_sfnt_off00012a75.binaf19c604ef747139c442b6e180418154a5065e0a2c2f24dc7b5bc5377686073d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A75 | 10848 bytes |
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