PDF malware analysis — malicious · d2917de1e44920c2

MALICIOUS

PDF

77.7 KB Created: 2021-07-14 04:51:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)

MD5: 3a69e72de4d47da694b1fa8b00db9294 SHA-1: e533657d7ae6c481f55fdf92e00365d4099aea16 SHA-256: d2917de1e44920c2ca83bce3b5448c11e4c06e6e2736dc9577800ab1e4fe2c42

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended for phishing or malware distribution. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to redirect the user to a malicious site.

Machine Learning

Nyx PDF Classifier malicious score 0.9937

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://irlanc.ru/square?utm_term=gta+vice+city+audio+files+highly+compressed+download
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60ee1844537273346e2cc7f2/1626216516277/what_do_little_lizards_like_to_eat.pdf
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60e8d73a123eaa19f8fd1382/1625872187178/33140887592.pdf
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60edd4d3cc8e436e46647ae4/1626199251853/35617613999.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60eca70383836e7a7d642118/1626121988083/80080140923.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60ec9efcf6fc466b5bf5bfbd/1626119932324/police_department_chaplain.pdf
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ee0bba0a53c127f5d4bc30/1626213306160/volkmann_ischemic_contracture_treatment.pdf
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60e914a5c22c005c93382e38/1625887909328/pokeflute_cheat_code_fire_red.pdf
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60ee0051a50f6e33a3280492/1626210386206/xatinagezozifigolelutaj.pdf
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60e9316ec14ff043cd5d7273/1625895278445/7168796788.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000cdd2.bin` `bbaf402589089d06cbb97a4e787b2b02fe7ef4e7423be7dbe1f401e259e1eeda`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCDD2	11472 bytes
`font_01_sfnt_off0000e8ad.bin` `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE8AD	16792 bytes
`font_02_sfnt_off000100bf.bin` `0841c5fc53a9a90791ef059e8483e1f697cb307e389978aa0c07b34972744531`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x100BF	16064 bytes

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