PDF malware analysis — malicious · 8052dfcf0f2372a5

MALICIOUS

PDF

77.1 KB Created: 2021-03-10 15:06:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: dd948879c5043a0fab22fd06b6bc6bf2 SHA-1: 28a0764b45d2c049ff8131f85eaa6e9902898698 SHA-256: 8052dfcf0f2372a501f20e90d5a73adcaa99d294f8e0f996c4f157c15390f61e

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a URL that, when visited, likely leads to the download of a malicious payload. The ML classifier and ClamAV detection strongly indicate malicious intent, and the embedded URL is the primary indicator of compromise. No scripts were extracted, but the PDF structure and embedded URI suggest a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9995

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://lozipotod.ru/123?utm_term=tamil+audio+song+free++2019
- https://cdn-cms.f-static.net/uploads/4381094/normal_5fd19a595eaa3.pdf
- https://cdn-cms.f-static.net/uploads/4374380/normal_600c1f9361962.pdf
- http://appless.space/27224459429ogez7.pdf
- https://cdn-cms.f-static.net/uploads/4408703/normal_60402f5d608ce.pdf
- http://7lessons.space/7065278838o2g7m.pdf
- http://gixodugesu.medianewsonline.com/7356507211.pdf
- https://static.s123-cdn-static.com/uploads/4417656/normal_5ffc147da5d50.pdf
- https://static.s123-cdn-static.com/uploads/4468572/normal_5ffe983c523e1.pdf
- http://savineme.mywebcommunity.org/sikagolupebokuzanunileru.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/folexapurilowe/67198800257.pdf
- https://s3.amazonaws.com/nefomojuwet/93120132001.pdf
- https://s3.amazonaws.com/taguxif/listening_task_for_grade_6.pdf
- https://s3.amazonaws.com/norozovijalu/69728987078.pdf
- https://s3.amazonaws.com/pirofopafu/54240897980.pdf
- https://s3.amazonaws.com/pululusodogi/gamov.pdf
- http://zitulogakapede.myartsonline.com/lugibamogogikojo.pdf
- https://s3.amazonaws.com/zifilobesumafi/bavadumijitoduxix.pdf
- https://s3.amazonaws.com/jemazejodep/miruwe.pdf
- http://zizenatoxu.myartsonline.com/tippmann_a5_with_flatline_barrel_and_response_trigger.pdf
- https://s3.amazonaws.com/mokamoba/40601627466.pdf
- https://s3.amazonaws.com/gonasidupij/sam_harris_lying_podcast.pdf
- https://s3.amazonaws.com/jeromisixinolib/84411183491.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_off0000ee05.bin` `b785c237b9ee6ba0191108bbed740527ae99d218e0be127fc9d91564f5aa10e9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEE05	5660 bytes
`font_01_sfnt_off0001012f.bin` `cd4259e7095ba983738dac71663b4f6cdde99f27e6ab220dc10c035aa2c44969`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1012F	11072 bytes

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