MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, with multiple heuristics indicating it's a link farm pointing to compromised websites and potentially disposable hosting. The embedded URLs suggest a lure related to 'paid games for free android', indicating a phishing or scam attempt. Although no scripts were explicitly extracted, the PDF structure and heuristic firings strongly suggest it's designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://crysiq.ru/uplcv?utm_term=paid+games+for+free+android PDF link annotation
- https://nationalshield-uae.com/userfiles/files/maguwazipadonudoturewu.pdfIn PDF document text
- http://kamnitikamini.si/upload/files/xuwitirufozobofoguranol.pdfIn PDF document text
- https://mvmdigital.gr/files/files/dedamuli.pdfIn PDF document text
- https://z87992961.com/upload/files/20210909011613.pdfIn PDF document text
- http://begemot-rus.com/uploadfiles/file/2021091905444173499.pdfIn PDF document text
- http://ayhancevik.com/images_upload/files/57184045489.pdfIn PDF document text
- http://bjsddesign.com/filespath/files/20210905133303.pdfIn PDF document text
- http://needychild.org/ckfinder/userfiles/files/nigalaluz.pdfIn PDF document text
- https://xrtradingfeedback.com/cmsimages/file/37635206021.pdfIn PDF document text
- http://solmoda.it/userfiles/files/kudegulekipibana.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eaee62ae45---79734089542.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/16133ec3ceeac5---zesaderugojiruf.pdfIn PDF document text
- http://smenergy.kr/uploaded/file/4391258376138833c817bb.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/gexowekorosezonofiv.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/161302770bb9c0---89591441257.pdfIn PDF document text
- http://prakseologia.eu/userfiles/file/15031292939.pdfIn PDF document text
- http://www.yeosung21.or.kr/ckfinder/userfiles/files/1631245580.pdfIn PDF document text
- http://elfobchod.cz/foto/Image/file/64054714290.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/16146922ccd55f---zadowufe.pdfIn PDF document text
- http://csc025.com/userfiles/file/20210906014908_85xd5l.pdfIn PDF document text
- https://visualarchive.bg/files/75274116180.pdfIn PDF document text
- 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_off0000dd30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD30 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f547.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF547 | 10556 bytes |
SHA-256: 4d1b86a488b54f5a8707933babc57240d66cc2149163d579d3e4ea807d58dbba |
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font_02_sfnt_off00010d10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D10 | 18856 bytes |
SHA-256: 858f0ffcb51f228df58d725501bfa695767f3cdc47c89ae578ea9f132ed3d3a5 |
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