PDF malware analysis — malicious · 3e97c35c4bf87219

MALICIOUS

PDF

93.3 KB Created: 2021-03-27 23:59:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a770ffb50b09c7a817c9536d5c4e0309 SHA-1: 2898b80db2f3f3025643d61d020765cd33308964 SHA-256: 3e97c35c4bf87219ad8e3bf1eced47c7b2d63d30fe82c9ba3755a5374a2f7ac8

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URL pointing to a malicious domain, identified by ClamAV as Pdf.Phishing.Trojan. The ML classifier also strongly indicated maliciousness. The presence of external URIs and embedded URLs suggests the document is designed to redirect the user to a phishing or malware distribution site.

Machine Learning

Nyx PDF Classifier malicious score 0.9993

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://dafemum.ru/123?utm_term=rat+irritating+sound
- https://cdn-cms.f-static.net/uploads/4450513/normal_601f579b692de.pdf
- http://top-salez.site/gobegipafujimubujorifutrnrd.pdf
- http://chebsvet.ru/56813830004beppp.pdf
- https://cdn.sqhk.co/bilanogakiw/jfifoZi/dr_dave_janda_youtube_july_2019.pdf
- https://cdn-cms.f-static.net/uploads/4460042/normal_601c5d86e41ad.pdf
- https://cdn.sqhk.co/koditisalupe/Ftdyiid/birthday_cake_photo_editor_free_download.pdf
- http://betflixguvenilirmi.com/latin_words_dictionaryx5fnd.pdf
- http://tokio-2020.fun/577352628559kxyr.pdf
- http://poroda.site/19691753551gdntw.pdf
- http://mybiol.site/begovanalufevesivutaxhzkfo.pdf
- https://cdn.sqhk.co/relulapezele/ggS7wSP/yale_duo_mobile_new_phone.pdf
- http://hdvideo.design/8803474700xf3au.pdf
- https://cdn.sqhk.co/talexadu/fighe4N/mosimopebirefesarok.pdf
- https://cdn.sqhk.co/mepapogivoma/Cpib4ge/def_tank_capacity_2015_duramax.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/gazijewevan/domanazu.pdf
- https://s3.amazonaws.com/zuponefi/ditiwutije.pdf
- https://s3.amazonaws.com/guxosa/8264645626.pdf
- https://s3.amazonaws.com/febopa/self_reliance_synonym.pdf
- https://s3.amazonaws.com/bufexa/86058918907.pdf
- https://s3.amazonaws.com/lorifawuvawot/skinning_farming_guide_bfa.pdf
- https://s3.amazonaws.com/lolaritemukole/what_is_the_best_humidifier_for_the_money.pdf
- https://s3.amazonaws.com/sulasatevirexo/cold_mix_asphalt.pdf
- https://s3.amazonaws.com/pipaneku/bazigar_songs._pk_free.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00012e49.bin` `6ef9aea97d76d0e9ac9e51bbb65be0755459eb1a7c74c8077ce262acd0c3a27a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12E49	4968 bytes
`font_01_sfnt_off00013f42.bin` `7b5334754243e2e49a1dc71cfd1947415118c08017b50fa1ecfe9b9799520483`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x13F42	11928 bytes

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