PDF malware analysis — malicious · aaacf56e6b751fae

MALICIOUS

PDF

63.9 KB Created: 2021-01-08 14:00:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-02

MD5: 23297629d5efc78d54b6861a8ec72212 SHA-1: eb5d7af523f300b513e156e2989d6e13739bb707 SHA-256: aaacf56e6b751fae730fc42c3be54e3bd07297e9be36c23f8b62564beae3fd59

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was detected as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains an embedded URI pointing to 'trafftec.ru', which is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, suggests a lure related to 'Hollywood action movies 3gp free', aiming to trick users into clicking the malicious link.

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://trafftec.ru/aws?utm_term=hollywood+action+movies+3gp+free PDF link annotation
- https://cdn-cms.f-static.net/uploads/4418777/normal_5fd7f88738b8f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421468/normal_5fe1749c5021f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465709/normal_5fcc53e13be05.pdfIn PDF document text
- https://pusigigapuguv.weebly.com/uploads/1/3/1/4/131438477/5a91e4b7bdab.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4406771/normal_5f9b9e6dd5237.pdfIn PDF document text
- https://cdn.sqhk.co/jutafegobexe/jihdDgd/defend_the_bunker_java_game_dedomil.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/fokapikow/transformer_factory_acceptance_test_report.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1c2484e8-3962-48cc-bb27-dc1c9acfb09e/wazaviluvositezazup.pdfIn PDF document text
- https://s3.amazonaws.com/zinudipir/ecology_study_guide_worksheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1581e227-9a99-4d22-be97-f9e71356820f/best_white_noise_generator_app_ios.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_off0000bb38.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBB38	5856 bytes
SHA-256: `a7894a378eaab55f6de30f958192977f1ccdc82babc8e88106eb2d8ace03b5c4`
`font_01_sfnt_off0000cf33.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCF33	10076 bytes
SHA-256: `c68492b24af73904ead1960d7e826d51379237b82d46bbf512d1d55f8b78f9d8`

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