MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised websites or disposable domains, suggesting a link farm designed to lure users to malicious content. The presence of 'utm_term' parameters in some URLs indicates a potential phishing or SEO manipulation tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 http://pkynfe.net/userfiles/file/mugasetolisexedikewuxabu.pdf In PDF document text
- http://www.colormotion.cz/UserFiles/file/wubezidinobetiwixub.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb5fb4d2aa---30809991767.pdfIn PDF document text
- http://thaihotelsale.com/FileData/ckfinder/files/20210813_A705AED40DAED1BD.pdfIn PDF document text
- http://wwpokebar.com/uploads/files/puzamopukok.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/tepubazed.pdfIn PDF document text
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c93bf2e829a---jotuzosedali.pdfIn PDF document text
- http://keramann.ru/uploads/files/73061404375.pdfIn PDF document text
- http://ahdjcm.com/upload/files/kizajaniwazupupowak.pdfIn PDF document text
- http://autoset66.ru/admin/ckfinder/userfiles/files/legixedewakon.pdfIn PDF document text
- http://www.ferm-matic.fr/upload/file/72067670840.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee301c621dc---79009790422.pdfIn PDF document text
- http://www.romanschatztruhe.de/img/files/91637357726.pdfIn PDF document text
- http://sva-jeanroze.com/xmedia/file/bonopid.pdfIn PDF document text
- https://jobtiara.com/files/files/17693140261.pdfIn PDF document text
- https://rockyhotelsgroup.com/uploaded/files/46955943043.pdfIn PDF document text
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/b2qpfg83esffu58h04vtpog3j2/9063970055.pdfIn PDF document text
- https://turkihale.com/userfiles/file/lolovivujanigijefof.pdfIn PDF document text
- https://mimpiindah88.com/contents//files/nubumemenir.pdfIn PDF document text
- http://jrmhandling.nl/upload/file/49517640723.pdfIn PDF document text
- https://jooli.ru/ckfinder/userfiles/files/56955934143.pdfIn PDF document text
- http://domplus.su/userfiles/files/74137561366.pdfIn PDF document text
- http://anhuicrew.com/upload_fck/file/2021-8-10/20210810125037912285.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=chasing+martin+luther+king%27s+killerPDF 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_off0000b4c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4C5 | 14876 bytes |
SHA-256: bec25f939d90a419f410c21bc6d5d0a8bca66d8690224101dc660fd2b17c6398 |
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font_01_sfnt_off0000da41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA41 | 10692 bytes |
SHA-256: 542b46c56638be94076ec6acc70a80fce12a23ea129df346fd8591b0eef08e97 |
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font_02_sfnt_off0000f2a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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