PDF malware analysis — malicious · aaf892226674e7b0

MALICIOUS

PDF

70.5 KB Created: 2021-02-03 08:03:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-12

MD5: 45b49399c62fb796c6770d43bd26364f SHA-1: ca5066b7a5b4729a2aa0a75232f0497253d2de21 SHA-256: aaf892226674e7b082ed36f21d1636d39dd76de1319766598e89454ff7a068f4

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'baarspo.ru', which is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, appears to be a lure related to game cheats, aiming to trick users into visiting the malicious URL.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://baarspo.ru/123?utm_term=harvest+moon+light+of+hope+cheats+ios PDF link annotation
- https://cdn.sqhk.co/sotatixorawi/Gzgijem/u_by_bb_t_app_download.pdfIn PDF document text
- http://nutesane.iblogger.org/33732733751.pdfIn PDF document text
- http://lnstagram-copyright-supports.com/6311809609814z0u.pdfIn PDF document text
- https://cdn.sqhk.co/duloputemab/2hd7emS/z_nation_season_6_release_date_on_netflix.pdfIn PDF document text
- https://cdn.sqhk.co/sesijisova/46Mvagg/red_ball_4_unblocked_volume_4.pdfIn PDF document text
- http://vinnipoh.space/sanico_inc_binghamton_nycssl2.pdfIn PDF document text
- http://bcpzonasegur4viabcp.com/nifefusotogapovizurja1d7.pdfIn PDF document text
- http://delojenopow.66ghz.com/tamil_love_album_songs_2019.pdfIn PDF document text
- https://cdn.sqhk.co/vovewotutal/aigheMh/optical_illusions_art_tutorial.pdfIn PDF document text
- https://cdn.sqhk.co/tivuzofep/3njcibT/samsung_print_service_plugin_android.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/likadojivivofu/categorical_data_analysis.pdfIn PDF document text
- https://s3.amazonaws.com/lomiwexuva/how_to_manual_muscle_test_piriformis.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_off0000d5e1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD5E1	5448 bytes
SHA-256: `f720bad28f72e9c9816dcd244d38eb6281f6014a80b695ad918ffd71195b04f3`
`font_01_sfnt_off0000e84d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE84D	11012 bytes
SHA-256: `4d7fea40a87e21db8bddccb045cc6336d1c9ab8c72d331ec2267bbe0a428f3db`

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