PDF malware analysis — malicious · 4cdcd0958ee52382

MALICIOUS

PDF

80.6 KB Created: 2020-11-23 13:24:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5d3f23db4cb5ae59ba87e8ff287cf19e SHA-1: ed2e9ed51422ec132e705fa3a1c086eaa8e611f6 SHA-256: 4cdcd0958ee52382be33465639905deaa25320901a4468a663a3eddfcff72364

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document body, though heavily obfuscated, suggests a lure related to home warranty policy transfers. An external URI pointing to 'traffking.ru' was extracted, which is likely the primary malicious destination.

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://traffking.ru/aws?utm_term=choice+home+warranty+policy+transfer+form
- https://cdn-cms.f-static.net/uploads/4365628/normal_5f9483015009d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/vuliwisuwig/89821514698.pdf
- https://s3.amazonaws.com/fejififimaketo/pathfinder_investigator_archetypes.pdf
- https://s3.amazonaws.com/julexekubaj/lady_antebellum_need_you_now.pdf
- https://uploads.strikinglycdn.com/files/41fb2c91-7efc-4f72-b830-a3bf314234db/wajovafejamajewamofakun.pdf
- https://s3.amazonaws.com/kakef/aashiqui_3_video_song_hd.pdf
- https://s3.amazonaws.com/dinigugaxej/crab_swarm_pathfinder.pdf
- https://s3.amazonaws.com/fosawef/88165019394.pdf
- https://s3.amazonaws.com/jivagajamav/ohio_guidestone_lakewood.pdf
- https://s3.amazonaws.com/bisegilupuf/lupadunorupuvowad.pdf
- https://s3.amazonaws.com/bidurudilidujug/47906424902.pdf
- https://s3.amazonaws.com/lanubili/13349907966.pdf
- https://uploads.strikinglycdn.com/files/ccafef65-20c0-4aef-aa74-01dd0534732f/lokafevaferir.pdf
- https://s3.amazonaws.com/pisedij/best_anti_spyware_for_android_phone.pdf
- https://uploads.strikinglycdn.com/files/5592719b-5d71-4fca-a466-f2038e7c6bfb/40268455860.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e8c3.bin` `4ae14c4ece3c0c7f76aabe00577217a9898d098d77a7bb885b23488b997f6b56`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE8C3	5356 bytes
`font_01_sfnt_off0000fae0.bin` `e431a97dca7cd57154ff1afa77778fdc4fbb7db40e6f72c792a9ffe724689fe3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFAE0	10676 bytes
`font_02_sfnt_off00011f8b.bin` `2a5f1667c2e343500efde63e3dd6a136498333968b1680966ac5eb34589f1174`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11F8B	16144 bytes

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