PDF malware analysis — malicious · a149f461503ad211

MALICIOUS

PDF

68.4 KB Created: 2020-12-23 04:22:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07

MD5: 21b74353e82120a89dfa43a3ebadeef3 SHA-1: befb20e27478100e1bbf1bf59c02784ad8f1bbfe SHA-256: a149f461503ad211c4f4f6c21755bb3e7beec2e65e3c048d8c2d4a3f0f127408

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a lure for a 'Battleship game download' and embeds an external URI pointing to 'traffine.ru'. ML classifiers and ClamAV detections strongly indicate malicious intent, likely phishing or malware distribution. No scripts were extracted, but the embedded URI is a primary indicator of compromise.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://traffine.ru/strik?utm_term=battleship+game+download PDF link annotation
- https://cdn-cms.f-static.net/uploads/4465147/normal_5fba445a4ba0e.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/mizeteb/12860091823.pdfIn PDF document text
- https://s3.amazonaws.com/nigimul/nedorofudediretoxezalaj.pdfIn PDF document text
- https://s3.amazonaws.com/befarekogol/vegetable_biryani_recipe_in_tamil.pdfIn PDF document text
- https://static1.squarespace.com/static/5fe28c5a2bc23f5b6792af07/t/5fe297535a00831100cd8b53/1608685395696/limupinu.pdfIn PDF document text
- https://s3.amazonaws.com/gafedupeba/va_arrests_halifax_co.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc1162b68612547ed5f39f0/t/5fc155949d79364840bf1f95/1606505886215/pocket_guide_to_interpersonal_neurobiology.pdfIn PDF document text
- https://s3.amazonaws.com/dezajok/23736534227.pdfIn PDF document text
- https://s3.amazonaws.com/mupakijivuruzim/48926238360.pdfIn PDF document text
- https://s3.amazonaws.com/babetafaperaxov/cci_paris_formation_incoterms_2020.pdfIn PDF document text
- https://s3.amazonaws.com/jikopot/anjali_cbi_tamil_movie_songs_free.pdfIn PDF document text
- https://s3.amazonaws.com/folexapurilowe/79672861047.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_off0000cdff.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCDFF	5416 bytes
SHA-256: `b66e49f6870206290fa266e30805fb20115fc3549e9fbb50c09556b58a6cf2e1`
`font_01_sfnt_off0000e05a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE05A	10808 bytes
SHA-256: `3f31d4e9ea8a28b6ca60ce02c1da0a28c53901620ed97f08a7e3b2479a9728fe`

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