MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://smidgel.ru/uplcv?utm_term=athletics2+summer+sports+apk PDF link annotation
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/82f02df56af98a4b243480988169e837/gonibapemijovoxonazi.pdfIn PDF document text
- http://odra.cycling-recycling.eu/imgturysta/files/xunasojolifudiwuti.pdfIn PDF document text
- https://kuraniterbiye.com/resimler/files/jenoruvononogemoxunemet.pdfIn PDF document text
- http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/vuziba.pdfIn PDF document text
- https://psychologgia.pl/Upload/file/9757952871.pdfIn PDF document text
- http://chhattisgarhsanskritboard.in/sharpinstitute/images/files/13238038030.pdfIn PDF document text
- https://27061010.com/uploads/files/202109060023327209.pdfIn PDF document text
- https://hardlineconstruct.ro/app/webroot/files/userfiles/files/53486839391.pdfIn PDF document text
- https://atiksigorta.com/files/97568266184.pdfIn PDF document text
- https://reniuved.it/file/20167246987.pdfIn PDF document text
- http://michardardillier.com/ckfinder/userfiles/files/80551555261.pdfIn PDF document text
- http://lawyersmarketingusa.com/user_upload_image/file/In PDF document text
- http://pnmanagementsolutions.in/uploads/pifiwirifito.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/d6eb52e3bbfc54be9d23d398430b87a1/77964938985.pdfIn PDF document text
- http://www.pataniforum.com/admin/jquery/ckfinder/userfiles/files/mijojixepowilexuxebab.pdfIn PDF document text
- http://asijskepotraviny.cz/files/file/jakuxo.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/bhn1c8v2lgp8ssvrq6oqlq73ka/28473417972.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/161395a0477a0e---gitunemovag.pdfIn PDF document text
- https://akconta.com/uploads/files/80654532015.pdfIn PDF document text
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/d854e9cb7abbb7feaaf6ee1d250f0e3a/wotumasapisilubapif.pdfIn PDF document text
- http://thermcom.cz/userfiles/file/tedivifevubatexakirizova.pdfIn PDF document text
- http://zhouzhuank.com/v15/Upload/file/202193144597980.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/7ea038578537839a15481781ac2c307c/koxabadozima.pdfIn PDF document text
- http://homespakistan.net/magzine/uploadfiles/file/75469762385.pdfIn PDF document text
- http://jtylek.pl/Upload/file/vevunozodumup.pdfIn PDF document text
- https://flims.atelierleuthold.ch/userfiles/files/petide.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_off0000d58c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD58C | 18684 bytes |
SHA-256: cb10a14c3595b1bd1a8da6a92ddacf7b1d8c5dfa153a2048547d49cfed27a8c6 |
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font_01_sfnt_off000105ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E16 | 10828 bytes |
SHA-256: ee23977e42ad9f0f0ef32307db3f21a68cd36a277ed7dbe3ff97e728185a5431 |
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