Malware Insights
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable domains, suggesting a link farm designed to lure users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating the document's purpose is to distribute links across low-reputation hosting. No scripts were extracted, but the primary attack vector appears to be social engineering via malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://allytemp.ru/uplcv?utm_term=spanish+words+that+start+with+r PDF link annotation
- http://sictombbi.fr/ckfinder/userfiles/files/muvezalog.pdfIn PDF document text
- https://myphambambi.com/webroot/img/files/66057788003.pdfIn PDF document text
- https://vmwarts.com/ecovic/file/60870451437.pdfIn PDF document text
- https://kujainspectors.com/candyticket/uploads/page_images/files/donezivisoziruzevelur.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/4aee3118a4ba2d08d9753f8e282bd34a/retenovig.pdfIn PDF document text
- https://unaizahic.com/Files/files/4889718632.pdfIn PDF document text
- https://ratosatu.com/contents/files/virapaxasaru.pdfIn PDF document text
- https://spirit-legend-enterprises.com/webroot/editor-uploads/files/17969225421.pdfIn PDF document text
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/0fi8vbnrft971f9ioms02n6kbq/dejunaxejusosudare.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/momigapibuzawa.pdfIn PDF document text
- http://lyzph.com/userfiles/file/Fl202109100549576286.pdfIn PDF document text
- http://kvrhousing.com/uploads/7186756195.pdfIn PDF document text
- https://cv-vezouze.fr/media/file/86132128875.pdfIn PDF document text
- http://wingmanplanningdemo.com/userfiles/files/42626868316.pdfIn PDF document text
- http://kapfenberger-schuetzenverein.at/userfiles/file/54031128216.pdfIn PDF document text
- http://chalappuram.com/userfiles/file/13504923413.pdfIn PDF document text
- https://wecareprogram.org/images/file/rezexibesanomifik.pdfIn PDF document text
- https://interangkorcondominium.com/userfiles/file/9730290946.pdfIn PDF document text
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/6742c4d2120d660ac0b45e9005868600/97288453675.pdfIn PDF document text
- http://wronba.com/uploads/wysiwyg/file/64909187500.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16140b9e72796d---pewizijoze.pdfIn PDF document text
- http://cluster006.ovh.net/~greeters/namur/ckfinder/userfiles/files/63273027266.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_off0000d855.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD855 | 17964 bytes |
SHA-256: 3052112de680799bac1862c5fd8a94dbbaf952c269d6f98db327ddcda3a3c4c1 |
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font_01_sfnt_off000106b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106B3 | 10472 bytes |
SHA-256: ad1462dadc8003425e549a0f556cc7e584e932ad0197b1ebb40dfced4278c030 |
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font_02_sfnt_off00011e78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E78 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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