MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The heuristics indicate the document functions as a link farm, directing users to numerous external websites, many hosted on compromised CMS uploads or disposable domains. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://tecnomatec.cl/upload/file/kobosupatupojevu.pdf In PDF document text
- http://efuegypt.org/userfiles/file/66717340177.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/b6cqs4rfsf7ovc88pch6f6hmr7/tidukazokibezupi.pdfIn PDF document text
- http://rakkhunnursinghome.com/user_img/files/sebiwutonuwevuzi.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607623283dbfd---99390088118.pdfIn PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085c2ed272db---47184443653.pdfIn PDF document text
- http://janatalnajaf.com/basefile/janatalnajafcom/files/95803318569.pdfIn PDF document text
- https://sacc-la-chaux-de-fonds.ch/fichiers/file/wumelazezeju.pdfIn PDF document text
- https://laatjehuisweerstralen.nl/upload/file/7729909893.pdfIn PDF document text
- http://studiolegaletrotta.eu/userfiles/files/4918095367.pdfIn PDF document text
- http://alkanboya.com/files/file///17618141696.pdfIn PDF document text
- https://bloomeng.com/uploads/xozudaligojanogirepilute.pdfIn PDF document text
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/825865be5788db442b5b6f15e110b2bf/9407903521.pdfIn PDF document text
- https://associazionebriciole.it/public/file/lafalizififikumi.pdfIn PDF document text
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/dce484f3c348f52ee0d63a9f9f7f2bb9/20314196151.pdfIn PDF document text
- https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/ecf79f9f09e0042139af1397a870e5a2/xemixumufumewik.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/9a0876937a443a6be71448cbf7cceefd/23123299618.pdfIn PDF document text
- https://motoralbini.it/files/file/58913423349.pdfIn PDF document text
- https://panama4d.com/contents//files/63618860540.pdfIn PDF document text
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/a44076e587975ebbb6737a114315caf5/gadox.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/jhbc7lmd3l7clmkrr43tc7j912/simonobidefo.pdfIn PDF document text
- http://kdekdyjak.cz/data/mimadiripipuseb.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608485e3705dd---26845647267.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=reply+for+resignation+acceptancePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001343c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1343C | 10812 bytes |
SHA-256: c1d418cdd2cf0499cb6afa31039e355aadb236b2b6b5c72c2448c0cc2c11d72f |
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font_01_sfnt_off00014d5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D5F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00016571.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16571 | 18248 bytes |
SHA-256: 7030482b4d82098d0f629c8f17945a03880cf248211241b04ef86f37b639174e |
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