MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous embedded URLs, many of which point to disposable hosting or are part of link farms, indicating a phishing or malicious redirection attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URIs suggest it is designed to redirect users to malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
Heuristics 5
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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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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://ketchas.ru/uplcv?utm_term=happy+30th+gif+funny PDF link annotation
- http://daiichigroup.net/uploads/news_file/26542283655.pdfIn PDF document text
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/1b11a7965ea9d4e1136117bdbc7a60eb/vosiboremizawaw.pdfIn PDF document text
- https://volandovia.it/public/fileeditor/file/kujopagufetijopotiter.pdfIn PDF document text
- https://ecoquimica.cl/dinamicos/uploads/file/62849683582.pdfIn PDF document text
- http://talentfuturesservices.com/sharpinstitute/images/files/83378346913.pdfIn PDF document text
- http://synphabase.ch/upload/file/8374826407.pdfIn PDF document text
- http://www.impactit.in/ckfinder/userfiles/files/kebakabefosanopafinetuk.pdfIn PDF document text
- http://lejuriste.ru/files/file/4187255128.pdfIn PDF document text
- http://pengyou-english.com/FileData/ckfinder/files/20210922_D80C19C1BBE231E2.pdfIn PDF document text
- http://npi-management.com/ressource/site-image/files/53082466216.pdfIn PDF document text
- http://www.octopus-quatuorvocal.com/ckfinder/userfiles/files/taruvugimesofis.pdfIn PDF document text
- https://sfeerweter.nl/userfiles/files/64969793583.pdfIn PDF document text
- http://murito.fr/ckfinder/userfiles/files/ranedomamigil.pdfIn PDF document text
- http://vivaldiskibus.com/FileData/ckfinder/files/20210916_D15B979F7DD453D2.pdfIn PDF document text
- https://skinrepublic.vn/webroot/img/files/82118259298.pdfIn PDF document text
- https://girisimhaber.com/uploads/file/26132369156.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/9qlsupgrhjq643aohs3i8core2/28499031002.pdfIn PDF document text
- https://www.ojchamber.com/ckfinder/userfiles/files/sopogemel.pdfIn PDF document text
- http://grandinhr.eu/images/user/file/88065886238.pdfIn PDF document text
- http://floridadressyourhome.com/uploaded_files/userfiles/files/7997302755.pdfIn PDF document text
- https://dom4m.de/userfiles/files/xujaxifop.pdfIn PDF document text
- http://anael.fr/fckeditor/userfiles/file/nojozat.pdfIn PDF document text
- http://topnotchimports.com/ckfinder/userfiles/files/jijaledaxud.pdfIn PDF document text
- http://hantechwelding.com/userfiles/file/2021090720064173499.pdfIn PDF document text
- https://self-storage.sg/images/uploadedimages/file/xulofazobatexojitezudu.pdfIn PDF document text
- http://www.stemcellhairclinic.com/files/files/bugimegodapovinukubularo.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_off0000b391.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB391 | 10568 bytes |
SHA-256: 24db7dd23df3f5e465afb89c316315e303bc0f272381a071dd004e5a0e878dc9 |
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font_01_sfnt_off0000cb9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB9C | 15192 bytes |
SHA-256: 666f195dc2b8ba988ee1432cfa16615089293f38af6b4f12be4d5666bc8519ac |
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font_02_sfnt_off0000f1ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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