PDF malware analysis — malicious · 33d595b4b76d06ab

MALICIOUS

PDF

62.0 KB Created: 2020-11-18 09:22:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 79da335eee9dbbd5c1d8524ab0aca422 SHA-1: 08b20f3f77e9430c260201841d1ee1924d9fafe0 SHA-256: 33d595b4b76d06abcd3714c7c4da54a685dac30809154084433a6437fd5f1c8c

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://traffset.ru/strik?utm_term=kubota+tg1860+manual+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4366969/normal_5f877eaa3a70e.pdfIn PDF document text
- https://rusuligoxajikug.weebly.com/uploads/1/3/4/3/134399392/magudexidaxuv.pdfIn PDF document text
- https://mogijoduvide.weebly.com/uploads/1/3/0/8/130814471/jozovor_zimegapelumopuj_rejedobawe_bulotaxazuv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369922/normal_5f9acaf01f7f4.pdfIn PDF document text
- https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/tunik_kagetaziror.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421934/normal_5f9e608ce3dc9.pdfIn PDF document text
- https://tijikazi.weebly.com/uploads/1/3/4/3/134373218/todesebare.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/levovod/pierre_bourdieu_livres.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/75716210-0ad7-443c-aef7-d06f092a2bff/csx_apps_mainframe.pdfIn PDF document text
- https://s3.amazonaws.com/zonebon/zuwatimadunifatorigej.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e5f843c7-75cc-497d-a95e-6ccfb8805822/16885546381.pdfIn PDF document text
- https://s3.amazonaws.com/kokesatodixon/88196021695.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000b3dc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB3DC	5740 bytes
SHA-256: `aba549f1a017a0b590085ba7501c71d57713aed37a8de9fc6b2a8b47db8ac096`
`font_01_sfnt_off0000c762.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC762	10608 bytes
SHA-256: `ed3df73c11a3adc3ef55dd5afa775c405df2d68184a6671cde00382ee1d20e97`

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