MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple heuristics indicating it is a link farm designed for malicious purposes, including a high-confidence ML classification and ClamAV detection as a phishing trojan. The presence of an external URI pointing to a URL with a 'call of duty' term suggests a lure to download a malicious file. Although no scripts were explicitly extracted, the PDF structure and URL findings strongly indicate a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://synerhu.ru/uplcv?utm_term=call+of+duty+day+of+reckoning+apk PDF link annotation
- http://www.mariabeckmann.com/fotos/uploads/files/71523870302.pdfIn PDF document text
- https://agape4u.org/userfiles/file/13275139516.pdfIn PDF document text
- https://gospel-streams.com/asset/ckfinder/userfiles/files/dexebisofozadusalisedax.pdfIn PDF document text
- http://mrcubezpieczenia.pl/app/webroot/media/files/31896985474.pdfIn PDF document text
- https://mingyi-lock.com/data/file/userfiles/files/bifekuxetazanulajabat.pdfIn PDF document text
- https://cuatudongbinhduong.net/uploads/files/xalewotezowuzopupilekowe.pdfIn PDF document text
- http://korytnica.net/data/files/24463835259.pdfIn PDF document text
- http://travelspace.pl/userfiles/file/goxalibexizejesibebor.pdfIn PDF document text
- https://deltaguvenlik.net/userfiles/file/90785109397.pdfIn PDF document text
- http://centronegozi.com/public/67470079954.pdfIn PDF document text
- http://sk4education.com/ckfinder/userfiles/files/rimix.pdfIn PDF document text
- https://phnews.ro/files/file/gadixiloviboruxejamodu.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134921077277---bizemuwogimuzizim.pdfIn PDF document text
- https://kolkataangikar.org/ckfinder/userfiles/files/43538711041.pdfIn PDF document text
- http://hnfhdc.com/UpLoadFile/2021090914284054969.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137c6837cec8---guwegezedojok.pdfIn PDF document text
- http://sin-hua.org/userfiles/35780762740.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/difujexowubelafifanegaxot.pdfIn PDF document text
- https://mclandpin.com/calisma2/files/uploads/kuvovomudulapaduzulenabep.pdfIn PDF document text
- https://hgindustrial.eu/userfiles/files/82562916000.pdfIn PDF document text
- http://checopharma.com/upload/files/vomet.pdfIn PDF document text
- http://aygroupmuh.com/image/files/mazibewikusenega.pdfIn PDF document text
- http://futuralagoparking.eu/userfiles/files/vimabene.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_off000150c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x150C7 | 10964 bytes |
SHA-256: 60432a65c6b5904fc7ce454d89f2355da052894190f681beab94cc7e25c0713d |
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font_01_sfnt_off00016a33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16A33 | 18712 bytes |
SHA-256: a83e6a4e1ecb406429516a48167eaf521bc0a9d307d0181970ad11c0edbb4f84 |
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font_02_sfnt_off00019a89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19A89 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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