MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using such sites to obscure the ultimate destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://e-hematologica.com/users/file/jizepepo.pdf In PDF document text
- http://tauben-buchmeier.de/kleinberliner-schuetzen/userfiles/files/35803914980.pdfIn PDF document text
- http://lnv-cnc.gr/userfiles/file/73018286494.pdfIn PDF document text
- https://timminsrenovations.ca/file/5Nk2NfIL4OCEodZG.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/23a221475fcc8883fb2a4801b8dafbf4/jewusine.pdfIn PDF document text
- http://www.lnk-creation.fr/upload/file/65983950086.pdfIn PDF document text
- http://ktai.lmg.jp/upload/file/38728780507.pdfIn PDF document text
- https://farmaciasacoor.com/site/upload/file/32661380340.pdfIn PDF document text
- https://fundacjaartfreeart.pl/userfiles/file/14040959061.pdfIn PDF document text
- http://mariamozharova.ru/uploads/files/jexixixawevelow.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16138006d3ea4f---7983579005.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/305507019d4e782cbc4a55b5bbef5ca2/benusesevepozixadugixel.pdfIn PDF document text
- http://d-innovation.com/upload/files/ripivimoj.pdfIn PDF document text
- https://adminico.nl/userfiles/file/14342521306.pdfIn PDF document text
- http://brbud.pl/userfiles/file/gavowapenadegabisi.pdfIn PDF document text
- http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/durateripevuloletuwigab.pdfIn PDF document text
- http://alrabbancapital.com/file/files/62521347666.pdfIn PDF document text
- http://shrlie.com/upload_fck/file/2021-9-15/20210915140122626152.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/6411804301934922beb938c35bbe9a73/kiruvubizupis.pdfIn PDF document text
- https://lanegarrett.net/userfiles/file/23206931926.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=bully+android+apkPDF 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_off0000bf97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF97 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d7a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7A9 | 16972 bytes |
SHA-256: c915ef489a79716b66c4d743e681a61f0afc268613bef5bd5ae14dbc59c62077 |
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font_02_sfnt_off000103c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103C3 | 10348 bytes |
SHA-256: 0c133fe0ab868bc8b17e543c54fcbbb126b113ecb9e04b4c0a26e23a0751b672 |
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