PDF malware analysis — malicious · bd97f1073ab9c180

MALICIOUS

PDF

95.2 KB Created: 2021-07-12 21:12:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)

MD5: cc22bd9d61b92b5f9ea382e76511136f SHA-1: e931535e1a054adeea9d3aaf18a282f6fc1de10c SHA-256: bd97f1073ab9c180ee1e31ebe24058a4200a83d869b6b5fa1ce52515fc20278a

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The presence of embedded URLs suggests a phishing attempt, likely directing users to a malicious site. Although no scripts were explicitly extracted, the ML classifier and ClamAV detection strongly indicate malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9102

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://feedproxy.google.com/~r/razvivatel/yapz/~3/XMoLd4EPXkg/square?utm_term=comparative+form+of+fast
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60e76f089561735a16c487f1/1625779976534/national_lampoons_vacation_on_tv.pdf
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ec7a04d0153e73bf8ad8ad/1626110468503/17224866471.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60e93b7d3ba7d954d5470362/1625897853491/93315887013.pdf
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60e86007da72ac0d45743f26/1625841671437/42329279624.pdf
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e8f76a0a287971af9845f5/1625880426649/book_chapter_summary_example.pdf
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60e9481a19a9f87deb7415d5/1625901082342/what_begins_with_e.pdf
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60ec8281288cf71862a977be/1626112641447/harry_potter_red_sparks_spell.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60e88ac705fb547c5b907862/1625852615992/zawabikapumopivebixesuman.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
`font_00_sfnt_off0000d8c4.bin` `b05995553f439fc14d35793433b52428c84247efe5fe9fb1a15aa40154616ab7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD8C4	16936 bytes
`font_01_sfnt_off00010541.bin` `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10541	16792 bytes
`font_02_sfnt_off00011d58.bin` `e7a5153b93c2731567a5f08e4c73fbefb615733669e581f413764e9c7e1a5733`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11D58	10468 bytes
`font_03_sfnt_off0001352f.bin` `728b72834cf01bf7eab30676278dfde5b60ff3bf80c3bc52e6058baeb26ab5b1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1352F	20568 bytes

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