PDF malware analysis — malicious · 7e958d09ecd7bde7

MALICIOUS

PDF

76.6 KB Created: 2021-02-16 09:58:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 41e3e4736db60174f195c3c2b0612be3 SHA-1: 5191e14e31bb8ee38a2c12aa43735231bcfafbe9 SHA-256: 7e958d09ecd7bde777d4f3354a230b71e50f25645cec39e8b526f89cfc43d562

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URI pointing to a URL that appears to be a lure for game-related content. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the presence of external URIs and the nature of the PDF content suggest it is designed to redirect users to malicious sites, likely for phishing or to download further payloads.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://jacksth.ru/wix?keyword=coin+master+chest+guide
- http://vabuletarikinil.iblogger.org/29658223131.pdf
- http://zekabivalejasaj.22web.org/88138029421.pdf
- https://cdn-cms.f-static.net/uploads/4425933/normal_60137c52d2e2d.pdf
- http://persequenteamsohbet.com/janokawasiqb9zg.pdf
- http://fitit.space/16782093099m5bnz.pdf
- http://stassikorskyi.com/jenodajifujabaduvajazelabgytk.pdf
- https://keromarire.weebly.com/uploads/1/3/0/8/130873863/dd41f0bdf51ac95.pdf
- https://static.s123-cdn-static.com/uploads/4496391/normal_5fe430da89cbb.pdf
- http://masterpowerpoint.com/overkill_lyrics_celly_ru3xz21.pdf
- http://card2card-perevod24.site/parilil0dmfq.pdf
- https://serirufudo.weebly.com/uploads/1/3/4/7/134712976/d9152343bb.pdf
- https://toziraza.weebly.com/uploads/1/3/4/5/134506396/xofibadat.pdf
- http://zeropium.com/simple_and_compound_sentencesjb3q5.pdf
- https://static.s123-cdn-static.com/uploads/4408865/normal_5ff914c832b8d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/xozeb/46597458204.pdf
- https://s3.amazonaws.com/dowavelaxam/kagaloj.pdf
- http://titegerekarirov.rf.gd/gubiwapupi.pdf
- https://s3.amazonaws.com/ravuxudibure/formal_synonym_for_bunch.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e149.bin` `ba20c0005e3141968fcb5fd13708edcf1f3ad34c826cf3b7b2a7e9b0a41a7e84`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE149	5224 bytes
`font_01_sfnt_off0000f2d6.bin` `827bafb3b13e992561f565c0c23d26d845c128d268fe0cd804bd3ccafc0781af`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF2D6	10636 bytes
`font_02_sfnt_off0001171f.bin` `d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1171F	4324 bytes

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