PDF malware analysis — malicious · 35b20b19f06f4795

MALICIOUS

PDF

142.5 KB Created: 2020-12-16 16:23:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ff9d19509ab6091ee323351bf45b5c7e SHA-1: be0028c1d8b95b5243f8d57516feec63f2bd6bb3 SHA-256: 35b20b19f06f4795adbd01ae999bd6cd0786230784445b933782583c21b1eebd

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URI pointing to a suspicious domain, which is a strong indicator of a phishing or malware distribution attempt. The ML classifier and ClamAV detection further confirm its malicious nature. Although no scripts were extracted, the presence of an external URI suggests the document's purpose is to redirect the user to a malicious site, likely for credential harvesting or further malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://trafffi.ru/aws?utm_term=calculating+standard+deviation+in+crystal+reports
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/bezutu/2545457086.pdf
- https://uploads.strikinglycdn.com/files/027ac0b1-f016-4d37-b482-5ad12ef0a755/tesixorunalategudopuna.pdf
- https://s3.amazonaws.com/lomogas/destiny_2_forge_locations.pdf
- https://s3.amazonaws.com/mutirexa/32550371107.pdf
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd13e27dd1bd0a76251a17/1606226914266/vortex_sparc_ii_for_sale.pdf
- https://s3.amazonaws.com/fexuror/ender_s_game_character_graphic_organizer_answers.pdf
- https://uploads.strikinglycdn.com/files/f5917543-cedd-4c34-a5bd-748ae42d5379/rijapevifetiletuf.pdf
- https://s3.amazonaws.com/lovomijelun/guided_imagery_therapy_definition.pdf
- https://static1.squarespace.com/static/5fc0e15d7d0c8f249d40b1da/t/5fc3e9797acac6192a390d84/1606674810798/document.body.contenteditabletrue_document.designmodeon_void_0_google_chrome.pdf
- https://s3.amazonaws.com/wogikokuzotaxa/warm_exterior_earth_tone_paint_colors.pdf
- https://s3.amazonaws.com/wuwabobujasivor/25468770313.pdf
- https://s3.amazonaws.com/fejififimaketo/vaturenaloxajunolon.pdf
- https://uploads.strikinglycdn.com/files/99485106-38d1-4870-9c7a-cf6ca6b9c592/donkey_kong_country_2_gba_rom.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0001f0b2.bin` `f9ed3b155e78b724c67c62e65f8f06082c64befda5e2824b503129b9dc846316`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1F0B2	5308 bytes
`font_01_sfnt_off000202d4.bin` `fb5831dd28669d9dc2c1795ccb8e656c4916025eefac1c80802c7a638281efe4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x202D4	12180 bytes

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