MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to redirect users to malicious content. The document body is unreadable, but the heuristic firings strongly suggest a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9944
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://bzws.zhanyougame.com/ckfinder/userfiles/files/zukimirujuzugatine.pdf In PDF document text
- https://condominiovillage.com/userfiles/file/81058616840.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/riliteruvunujotisifuvumi.pdfIn PDF document text
- http://mediaworld.pro/ckfinder/userfiles/files/69353043657.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/88e1f8de00d6fade4ca342b595dd0549/28157947236.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/94b84f4c3a2d25b38d189d19685454b8/lozad.pdfIn PDF document text
- https://agri-mal.pl/userfiles/file/12829128938.pdfIn PDF document text
- https://247christianity.org/fckeditor/userfiles/file/965635231201630720157.pdfIn PDF document text
- https://bistakalikotenetwork.com/userfiles/file/41072558924.pdfIn PDF document text
- http://dc-07b6a75bc4d0.breakthrough-physical-therapy.com/userfiles/files/desesexamonebo.pdfIn PDF document text
- https://garnet-medical.com/userfiles/files/90125524728.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/6fc43v7ht18ntoaa6r3a2bbkhj/81038416630.pdfIn PDF document text
- https://a2designbg.com/userfiles/file/26637858880.pdfIn PDF document text
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/16139a4da16dd4---50779823380.pdfIn PDF document text
- http://aedjtjdshbf.pretty-match.com/upload/files/44505030982.pdfIn PDF document text
- http://szm.hu/userfiles/file/50103817773.pdfIn PDF document text
- http://happysmilecard.com/uploads/files/tejemelefonufurofavujege.pdfIn PDF document text
- https://masukpt2.com/contents/files/23616464003.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec815ac62e---xusumafodozan.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/c4uuukjg8u76av7ig3g4eaii7d/74989779872.pdfIn PDF document text
- http://lasfyy.com/uploadfile/file/20210905011742623.pdfIn PDF document text
- https://birudongker.com/contents/files/10628305648.pdfIn PDF document text
- http://kemnhapkhau.com/upload/files/26517235787.pdfIn PDF document text
- http://vp-dmsh.ru/admin/ckfinder/userfiles/files/toneximulo.pdfIn PDF document text
- https://mogilew.ru/userfiles/file/vazabipanijosadirigid.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=how+much+do+name+tattoos+costPDF link annotation
- 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_off0000b541.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB541 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cd58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD58 | 10572 bytes |
SHA-256: beade9814aefabba3642e184138e6606851d736d3f04239b44c0099d1e003528 |
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font_02_sfnt_off0000e559.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE559 | 16048 bytes |
SHA-256: 62b6a1f4a679494a994fb44a5e1845f1db7d05e828cad93193bbbb431eca0b47 |
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