PDF malware analysis — malicious · e785cb366a0e4ade

MALICIOUS

PDF

92.4 KB Created: 2021-02-24 20:50:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a2fe6f26e6072265e60863e0d762c665 SHA-1: ed2f8a826267a5a09cdc37f44f4e9f9390668d62 SHA-256: e785cb366a0e4ade9629aeb0b68468cfc145b338658501af28651e37d3a92a42

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains an embedded URI pointing to 'bologen.ru/award', suggesting a lure to a phishing or malware distribution site. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or credential harvesting attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://bologen.ru/award?keyword=modulus+of+elasticity+of+4340+steel+psi
- https://tejikapor.weebly.com/uploads/1/3/1/3/131382395/jakazot-rovedobuvuj-gagututoda.pdf
- http://jirafka.space/89889388360waqwh.pdf
- https://letezinujafi.weebly.com/uploads/1/3/4/9/134901841/d88170d73b6e67.pdf
- http://trokot-shtorki.online/brother_7860dw_cartridge5kvli.pdf
- http://muvezada.iblogger.org/bofikaxonovavizapobiji.pdf
- http://arthromedshop.xyz/kegofasupexox4xg.pdf
- https://zigetavut.weebly.com/uploads/1/3/0/8/130814179/a8b4cb10f.pdf
- https://ditoleruv.weebly.com/uploads/1/3/5/3/135345680/bomumup.pdf
- https://getenulezawo.weebly.com/uploads/1/3/4/8/134897364/1517570.pdf
- http://digitaltoolsfor.xyz/dazuludifokigegezumunivokbdrd0.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/padadutiseni/delhi_belly_full_movie_480p_bluray.pdf
- https://s3.amazonaws.com/kefefetafij/swordburst_2_guide.pdf
- http://rejoxudirux.epizy.com/jalasasepowabazemu.pdf
- https://s3.amazonaws.com/jaloto/gowogugisub.pdf
- http://kemuvatixas.epizy.com/23793802150.pdf
- https://s3.amazonaws.com/wofaxil/aayenge_yaad_tumhe_status.pdf
- https://s3.amazonaws.com/jojitagifuva/how_to_take_good_portrait_photos_outside.pdf
- https://s3.amazonaws.com/baxegezivumi/16700005787.pdf
- https://s3.amazonaws.com/widuxade/nibafenesilajuw.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_off00011bd1.bin` `4dfb950e7bbff5981cb7751acadcbec2021981743f62acbf47034841291a1045`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11BD1	5552 bytes
`font_01_sfnt_off00012ee3.bin` `960cf403c69c2e385eea0dfe017701923a922a6b6b7bd1e649c6a6afa418de59`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12EE3	17040 bytes

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