MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It contains numerous external URIs, with a prominent one suggesting a download for 'photon flash player & browser update', a common lure for malware. The document body is heavily obfuscated, preventing analysis of its specific content, but the heuristics and URLs strongly suggest a phishing attempt to trick users into downloading a malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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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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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://smidgel.ru/uplcv?utm_term=photon+flash+player+%26+browser+download PDF link annotation
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ebbfee8d34---97862071798.pdfIn PDF document text
- http://pallenberg-busreisen.de/uploads/files/97714240485.pdfIn PDF document text
- https://benhgout.net/uploads/Files/file/8874572915.pdfIn PDF document text
- http://henzefashion.com/userfiles/file/72500403743.pdfIn PDF document text
- http://www.dean-cpa.com/files/adminpic/file/jepamabijora.pdfIn PDF document text
- https://crownprolaw.com/userfiles/Proj_Name/files/donadawobi.pdfIn PDF document text
- https://arhstroi.by/uploads/files/nokuwugif.pdfIn PDF document text
- http://patrick-vallot.com/upload/files/kosekox.pdfIn PDF document text
- http://progettarecasa.com/userfiles/files/pofixor.pdfIn PDF document text
- https://saigonservices.vn/images/uploads/files/numowijoferetaza.pdfIn PDF document text
- https://delphin-restaurant.com/ckfinder/upload/files/95547263258.pdfIn PDF document text
- http://ilksolar.com/Images/Media/files/97222078443.pdfIn PDF document text
- http://gattoneva.pl/pages/userfiles/file/winedekivagetureniwipejew.pdfIn PDF document text
- https://ystechpro.com/nbloom/fckuploads/file/ruseselotakisero.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/9d0803f8b0d656018a882d3c8867afc3/64665340201.pdfIn PDF document text
- http://coreaad.com/DreamDataUpload/file/58331668987.pdfIn PDF document text
- https://vegan-eshop.cz/data/file/sogew.pdfIn PDF document text
- http://putzlappenborner.at/editor_up/16899748721.pdfIn PDF document text
- http://abwingstop.com/uploads/files/27766504495.pdfIn PDF document text
- https://danielstrehlau.com/userfiles/file/mefugowotijar.pdfIn PDF document text
- http://hodinovysoused.cz/upload/file/kakexen.pdfIn PDF document text
- https://fresh-cherries.com/ckfinder/userfiles/files/dezatavuzagijerekatola.pdfIn PDF document text
- http://edu-family72.ru/content/images/uploads/file/noritufaweresada.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_off0000dbb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBB0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f3c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3C2 | 17604 bytes |
SHA-256: acba2f753c0ef2b24843a4709221c904c3277068e2e5bf349647d18d3d2ad960 |
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font_02_sfnt_off000121eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121EB | 10476 bytes |
SHA-256: a02850f5a52c0dd5b82788e18fb880d9df18fbe9b964f14d85e1113965550e20 |
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