PDF malware analysis — malicious · 6f514e6ea0ed07cb

MALICIOUS

PDF

74.0 KB Created: 2021-03-02 13:32:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23

MD5: 608399d72d9f99c9de1526395e77573e SHA-1: d8fbd1d763183f12f5e82855c5fdb84b5865e2da SHA-256: 6f514e6ea0ed07cb462e941111ba9832c58dd9ae3cae38af19b63d36150ebc05

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains an embedded URL that, when accessed, redirects to a suspicious domain. The document body, though heavily obfuscated, appears to be a lure related to sheet music, aiming to trick users into visiting the malicious URL.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://mezovuduw.ru/wix?keyword=mario+theme+song+sheet+music+easy PDF link annotation
- http://tojasojula.iblogger.org/bawarchi_movie_hd_free.pdfIn PDF document text
- http://lnstagram-helping-centre.com/lupon7xfx0.pdfIn PDF document text
- http://kedugobepuged.mywebcommunity.org/nanirovokikajeza.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://pekafujojef.onlinewebshop.net/darth_bane_rule_of_two_download.pdfIn PDF document text
- https://s3.amazonaws.com/tiduro/epidemiologia_veterinria_thrusfield.pdfIn PDF document text
- https://s3.amazonaws.com/bevekizadoxuj/ffviii_eden_guide.pdfIn PDF document text
- https://s3.amazonaws.com/waxapoz/67235983486.pdfIn PDF document text
- https://s3.amazonaws.com/xujitezu/17626825722.pdfIn PDF document text
- https://s3.amazonaws.com/pogolo/72520358555.pdfIn PDF document text
- https://s3.amazonaws.com/tupofelasujewas/68239232307.pdfIn PDF document text
- https://s3.amazonaws.com/telasebisu/rajebif.pdfIn PDF document text
- https://s3.amazonaws.com/tevigotu/3d_book_cover_templates.pdfIn PDF document text
- http://wizasagi.rf.gd/suzuki_electric_piano_key_repair.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_off0000e437.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE437	5288 bytes
SHA-256: `e4b493a7e430534fd655f3fa9f5a18e5f8a5ae9487207bc411dd5897b02fa293`
`font_01_sfnt_off0000f61e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF61E	10892 bytes
SHA-256: `35cea622e48ce0acf82bfa5f1e41a6b186eee0758eda1120c9998c487776754a`

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