MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, with several pointing to compromised CMS upload directories, indicating a potential phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure as a link farm on potentially disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://trongtinpc.com/luutru/files/wifurokoz.pdf In PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149158e8b9eb---90591618412.pdfIn PDF document text
- http://sasolution.kr/userfiles/file/fopubuvewibaxuno.pdfIn PDF document text
- https://dwitunggaljaya.com/sitefiles/file/62637496283.pdfIn PDF document text
- https://nirkongrp.com/ckfinder/userfiles/files/14271565899.pdfIn PDF document text
- https://xn--90ah6akb9e.xn--p1ai/f/file/degakuxezibutipu.pdfIn PDF document text
- http://akekaluck.com/ckfinder/userfiles/files/65479925196.pdfIn PDF document text
- http://kinel-hunter.ru/upfiles/file/46245555449.pdfIn PDF document text
- http://travellightnepal.com/userfiles/file/49737996101.pdfIn PDF document text
- http://ersenergy.com/UserFiles/file/xenewa.pdfIn PDF document text
- https://www.greenlakecruises.com/ckfinder/userfiles/files/xadogosibo.pdfIn PDF document text
- http://dj-maily.com/uploads/pages/files/doxemajusezu.pdfIn PDF document text
- http://mikllc.mn/uploads/files/68463034765.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613bcdf620e10---93438890396.pdfIn PDF document text
- https://living-stone.lu/userfiles/files/21550295094.pdfIn PDF document text
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/fbb11a4b3b8e6be3aec410656fab19dc/dedalakalizewi.pdfIn PDF document text
- http://montagnobozzone.it/userfiles/files/46587244423.pdfIn PDF document text
- https://nidi.mk/ckfinder/userfiles/files/39590991483.pdfIn PDF document text
- https://ichapps.com/ichapps/ckeditor-ckfinder-integration/uploads/files/kosekopuwovanod.pdfIn PDF document text
- https://intrigantka.ru/images/userfiles/file/10725992861.pdfIn PDF document text
- http://clinicaveterinariagussago.com/userfiles/files/velujadok.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/161474e30cce44---zubakamewiposufudikoxuxe.pdfIn PDF document text
- http://oreoltour.ru/sites/default/files/file/kazepatopo.pdfIn PDF document text
- http://cleversystems.ru/userfiles/file/21992793096.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=why+is+tropical+rainforest+importantPDF 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_off0000b438.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB438 | 16612 bytes |
SHA-256: ebfd62b7b00ef40b3e4d2b4bc9177126170e3f402a6cfc809153d115b45959c4 |
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font_01_sfnt_off0000dea2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEA2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f6b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6B9 | 10852 bytes |
SHA-256: c10e86fa0fbfabe3ddcaa53475d939ef488c4e766360549f36d66d844cb3a820 |
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