MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and link farms, many pointing to compromised CMS upload storage or disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious sites via the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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://krisoc.ru/uplcv?utm_term=super+contra+2+game+free+download+for+android PDF link annotation
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/ab1ce20259c3d695ee59c52869936256/zebofejakogoluwo.pdfIn PDF document text
- https://renebeumer.nl/userfiles/file/3110609697.pdfIn PDF document text
- http://agisma.ru/files/pages/files/tefabude.pdfIn PDF document text
- http://righetti-ticozzi.it/userfiles/files/42537711298.pdfIn PDF document text
- https://drjou-vc.com/upload/files/fofokororo.pdfIn PDF document text
- http://panel2conso.com/userfiles/file/13808498656.pdfIn PDF document text
- http://www.moyekolodin.com/files/70213308404.pdfIn PDF document text
- https://financenetwork1.treasuryandfinance.info/userfiles/file/67516813348.pdfIn PDF document text
- http://ecole-belair.com/ecole/file/jokipiwijovajar.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/au9uqbq326cq52j3i56580vbu1/zubosozufasatumerawuj.pdfIn PDF document text
- https://allegypttours.net/userfiles/files/pabilojajuxerumar.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/a35f960f4794455f01e9980f29708dcd/dezuteginoruwixufiw.pdfIn PDF document text
- http://neoneophytou.com/ckfinder/userfiles/files/21099130279.pdfIn PDF document text
- https://verandapattaya.com/userfiles/files/50992333335.pdfIn PDF document text
- http://honghuibio.com/d/files/xakukedorus.pdfIn PDF document text
- https://flyags.com/editorResources/file///tezifurapej.pdfIn PDF document text
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b0abd362b5---jerolobupuka.pdfIn PDF document text
- http://latexindia.com/userfiles/file/watodorivavonivebomimawe.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/3162c2cdabd6a312b57e0fcf2378f5dd/59735708786.pdfIn PDF document text
- http://locthanhwindow.com/img_duhoc/files/10219883444.pdfIn PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140edd2d831e---zazolonufituwagipatavugal.pdfIn PDF document text
- http://www.evisiontiendaonline.com/ckfinder/userfiles/files/gimikejomefinozasutum.pdfIn PDF document text
- http://birnagarcollege.in/userfiles/file/bugabugoxulunebawozukux.pdfIn PDF document text
- http://ibrahimalsada.com/pics/file/48932850529.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/ab432ed140c62c715c65b84f554dc6a6/nawumifodapifeludogafu.pdfIn PDF document text
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/d97338b8812f29e6f4f1c7d2e271a55c/45790809473.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_off0000b315.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB315 | 16184 bytes |
SHA-256: b39d661cdf52a7336c277b8f41c603de84f5fb2e73f102fd0a1bbd4cf37009e8 |
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font_01_sfnt_off0000dbf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBF1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f408.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF408 | 11176 bytes |
SHA-256: 7fb05df6cf6e92499231c19b5821d4c5ef1b61d27d4839209771851bef368097 |
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