PDF malware analysis — malicious · 589742efa5f5166d

MALICIOUS

PDF

78.2 KB Created: 2021-03-03 14:06:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 88771c5d885c5b38b80ba0f475263ff9 SHA-1: 4a43edab3864ba635f79abe55e1541bb7661d48f SHA-256: 589742efa5f5166d58655846658a6cc8a2328f8b37c58946c688f7652023699e

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a heuristic firing for an external URI pointing to a suspicious domain, and ClamAV detection confirms its malicious nature. The document body, though heavily obfuscated, contains text that suggests a lure related to a search query. The primary IOC is the external URL which is likely used to host or redirect to a malicious payload.

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://dafemum.ru/wix?keyword=el+infierno+de+gabriel+pdf+drive
- https://dazenesulamese.weebly.com/uploads/1/3/1/1/131164173/sezox_pepabivatuzo_repitomu.pdf
- https://cdn-cms.f-static.net/uploads/4483362/normal_5fe7e899ba374.pdf
- https://somokowu.weebly.com/uploads/1/3/1/3/131383604/228591.pdf
- http://powajaxib.medianewsonline.com/zofawazunivixu.pdf
- https://nodepuje.weebly.com/uploads/1/3/4/5/134518199/nojis_rugedudab.pdf
- http://miwewumexurigan.sportsontheweb.net/3046320659.pdf
- http://hookup753.fun/wixavedikogakl5j4.pdf
- https://golizagizaziw.weebly.com/uploads/1/3/4/7/134701046/6f1e0ad5.pdf
- http://vebenuzan.22web.org/summer_escapes_pool_pump_instructions.pdf
- http://ostanni.fun/pemabimodokutg6if.pdf
- http://nupigit.22web.org/19004713791.pdf
- https://norasavunoga.weebly.com/uploads/1/3/0/8/130874384/7806079.pdf
- http://detonic-hypertonie.website/40498256036slbj9.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- http://rorazizaxaf.atwebpages.com/78441854443.pdf
- http://fenolelogokaxip.rf.gd/wozoxabononef.pdf
- https://s3.amazonaws.com/kigavanus/90307049976.pdf
- https://s3.amazonaws.com/pibajuwi/fuxefilukosu.pdf
- http://sedoguzod.rf.gd/mixodanofevigibujezasuxi.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_off0000e215.bin` `df1ff44ce2895427b459913a793e0b89dc9c1f84a32a91835f14a43304d408d3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE215	4896 bytes
`font_01_sfnt_off0000f2c5.bin` `27dfc570021deaca50617b8e6aebc119b397a090c756df558b9fc6be77ab4003`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF2C5	13432 bytes
`font_02_sfnt_off00011b90.bin` `a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11B90	4324 bytes

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