MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to other PDF files hosted on various domains, indicating a link farm designed to obscure the ultimate destination. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, noting the use of disposable hosting and UTM parameters in some URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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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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://noospc.ru/SITE/files/editor/file/wuwerajasijajufejabujo.pdf In PDF document text
- http://thehedgerowchronicles.com/ckfinder/userfiles/files/1445356141.pdfIn PDF document text
- http://tndgdemo2.com/ckfinder/userfiles/files/82446094373.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16137b6ee81ed7---renorebubizitapofezag.pdfIn PDF document text
- https://conrays.ru/f/data/62892868535.pdfIn PDF document text
- http://kochamsushi.pl/UserFiles/file/dolibefizowinarevuxa.pdfIn PDF document text
- http://professional-tuner.at/uploaded/file/xajuroronaxidibalukow.pdfIn PDF document text
- http://optometrystaprzemysl.pl/userfiles/file/fopejunomenasojuwados.pdfIn PDF document text
- http://cathyknightwaite.com/ckfinder/userfiles/files/ritigiseziraxirakifaw.pdfIn PDF document text
- http://wsp.pl/userfiles/file/bijaxiduposofi.pdfIn PDF document text
- http://thebeautyofdesign.nl/ckfinder/userfiles/files/70835592349.pdfIn PDF document text
- https://subded.org/userfiles/file/62109915210.pdfIn PDF document text
- http://taihegas.com/filespath/files/20210910010203.pdfIn PDF document text
- http://covina.crazyrockinsushi.com/uploads/files/92677732122.pdfIn PDF document text
- http://gowowdeli.com/uploads/files/gefugolejoj.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613510821cd63---tosozelegeganad.pdfIn PDF document text
- https://foodexgida.com/uploads/files/vivav.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe1998535b---57540633566.pdfIn PDF document text
- http://smcertificationservices.com/userfiles/files/41930894412.pdfIn PDF document text
- http://ambvet-trefontane.eu/userfiles/files/butidatibusivebimelat.pdfIn PDF document text
- http://daisytalavera.com/userfiles/files/30917480332.pdfIn PDF document text
- https://exam11.menapoint.com/app/webroot/upload/files/95626029981.pdfIn PDF document text
- http://pwr-tech.ru/userfiles/file/86821373420.pdfIn PDF document text
- https://vibangthuaphatlai.net/uploads/files/kekedolawu.pdfIn PDF document text
- http://importfoodfair.com/userfiles/image/2021/09/file/gejewamom.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=8+ball+pool+mod+menuPDF 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_off0000e67a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE67A | 10444 bytes |
SHA-256: 4c951500e59702f0c9ab76715d7c38d26516e15fddebcf1a823840f2613f7e7b |
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font_01_sfnt_off0000fddc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDDC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000115ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115EE | 18592 bytes |
SHA-256: d5e9dde173279965c30f299478965f9a0d6bd44a437b4a8dc35e5bda89144529 |
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