PDF malware analysis — malicious · cc2409c05e8a4a95

MALICIOUS

PDF

98.1 KB Created: 2021-07-16 08:11:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)

MD5: 19b1ada8f7d77eed0eac7ee4604aa4fb SHA-1: 60b50a7445b51ee896899963f0d3c477571808da SHA-256: cc2409c05e8a4a95f94a8ef005c9d42c4e39e7bb975c1ce5db6e3f32bfa5f24e

104 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file contains an embedded URL pointing to a domain associated with cracked software, indicating a phishing or malware distribution attempt. ClamAV detection and ML classification further support its malicious nature. The document body, though heavily obfuscated, likely contains the lure to encourage clicking the malicious link.

Machine Learning

Nyx PDF Classifier malicious score 0.5879

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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://infrive.ru/square?utm_term=autocad+lt+2017+serial+number+and+product+key+crack
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60f056930b1da83e5094ca58/1626363539151/manexa.pdf
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60f0c1f51f3fa43bb6b36155/1626391029504/92839762102.pdf
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60e8fe99b9b95949b65d3a70/1625882265732/high_volume_video_player_for_pc.pdf
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60e8bd3f3601b306b46f6537/1625865535696/64569917166.pdf
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60ecb763522a83061659238c/1626126179384/hubers_orchard_and_winery.pdf
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ecf2a967dd777ebfbb1ebe/1626141354058/54463262626.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://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00010dec.bin` `9f0c496fa061b75ac39025886a334c97334507be8ef53c0cf3b32371f1ea4a28`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x10DEC	20740 bytes
`font_00_sfnt_off0000f2ef.bin` `0da08d6e8b810f547a01a66a80ac61586ae63aba49512df30de94b73aa0e04ac`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF2EF	11448 bytes
`font_02_sfnt_off00013158.bin` `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x13158	16792 bytes
`font_03_sfnt_off0001496a.bin` `da290b02f47632e7a98211d5bba4479b2a0809dd9267a8378cabf8dc2e12a499`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1496A	18580 bytes

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