MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a phishing or trojan threat. It contains numerous embedded URLs, many of which point to compromised WordPress sites and disposable domains, suggesting a link farm designed to redirect users to malicious content. The `PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM` and `PDF_SEO_DISPOSABLE_LINK_FARM` heuristics confirm this behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://khanikango.in/file/jupepupokegenapa.pdf In PDF document text
- http://run2endalz.org/clients/2/2b/2b4973775a35d8819257a28a16fdea67/File/rilizegofagapowitabodij.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/pudpdb532kv6vuopc0hgmheqh9/34254343377.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608db9ceabf5d---zalobi.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce74602fa44---35200534186.pdfIn PDF document text
- https://an-professional.ru/img/files/file/zipezegolulexo.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0c201c3824---79978483200.pdfIn PDF document text
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c3af5baff38---bukigituvagawiludadoxapa.pdfIn PDF document text
- http://refta-bg.com/userfiles/file/55211123598.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160becb3670dac---zakenisuwi.pdfIn PDF document text
- http://texmet.pl/userimages/file/deziki.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608804ffcfb47---xutanagitoluzumasugufemol.pdfIn PDF document text
- https://mangonebike.com/uploads/file/kobiwawivolibo.pdfIn PDF document text
- http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607069d9aa31f---dogib.pdfIn PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/2cda90a2bacd3cd975873376217e1c2d/28311861640.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/7pamnci8r2o1qi89o8i2nj1t25/59800748301.pdfIn PDF document text
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160c7316167e38---kajozenad.pdfIn PDF document text
- https://bednidhitraders.com/userfiles/file/97475165159.pdfIn PDF document text
- http://derkwoo.com/upload/editor/files/wifujumidosero.pdfIn PDF document text
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/pc0i8cl8p272gf7jtv28om1fod/32363705248.pdfIn PDF document text
- http://residencecarlofelice.com/userfiles/files/litowijapit.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/c7f489e321d1e248d05afadf67ae6828/bomegeserinezatomoxuweje.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/c1c4fe631d8e3ff707dfa3dc0f068423/zisixesurinal.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16071d0065282a---bawajevobutenipolojogonan.pdfIn PDF document text
- http://rabotatver.ru/userfiles/admin/55714331756.pdfIn PDF document text
- https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/fb48f0f0d17d5c358862425a1d861361/gezabubigufogudonijuno.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=tools+and+tacklePDF 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_off0000f157.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF157 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001096e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1096E | 10224 bytes |
SHA-256: a668b59af2eadc7c2428d552b06d012df76f96e8ac738b1725bd76b37a6fba79 |
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font_02_sfnt_off0001208f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1208F | 17856 bytes |
SHA-256: 627da952bc426d2d20fe64296de9d2fe7a5043d713f53920ddc16a81bdcba6b3 |
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