PDF malware analysis — malicious · cb9ee7b0f3d30860

MALICIOUS

PDF

74.4 KB Created: 2021-03-27 10:47:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4f011518c532f95730da43de5d2af510 SHA-1: 4a6859104261a3bb7c5c0e264a3e6717cb5cd744 SHA-256: cb9ee7b0f3d3086087b423af858573df3e06b19362441c0d1ecfa14ddbdaaf31

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a misleading title related to sexual topics in Christian marriage, likely intended to entice users to click on a malicious link. The embedded URL points to a suspicious domain, and the ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. No scripts were extracted, but the presence of an external URI suggests an attempt to redirect the user.

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://botokaw.ru/strik?utm_term=what+is+allowed+sexually+in+a+christian+marriage
- https://cdn-cms.f-static.net/uploads/4416805/normal_600f41332dcad.pdf
- https://cdn-cms.f-static.net/uploads/4407552/normal_602cea7e4acf9.pdf
- https://static.s123-cdn-static.com/uploads/4454678/normal_6003d14a049cb.pdf
- https://static.s123-cdn-static.com/uploads/4480582/normal_5fe49c0e71e9d.pdf
- http://mufawajidoxe.22web.org/fijirojiresetapi.pdf
- https://cdn-cms.f-static.net/uploads/4376126/normal_6050ea5d6b318.pdf
- https://cdn.sqhk.co/sofilita/fgjzr6M/leech_lake_fishing_report_june_2018.pdf
- http://zuwixegugul.22web.org/conceptos_basicos_de_alimentacion_y_nutricion.pdf
- https://cdn.sqhk.co/rikopekela/eghQ9Cb/22253743756.pdf
- http://kakorixow.mygamesonline.org/93262462242.pdf
- https://static.s123-cdn-static.com/uploads/4420239/normal_5ff614fd45197.pdf
- http://tebogekememesij.mygamesonline.org/24635867047.pdf
- https://cdn-cms.f-static.net/uploads/4389797/normal_603b3ba809d80.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://majuditatip.rf.gd/72693833001.pdf
- http://bigapenegig.atwebpages.com/31929407332.pdf
- https://s3.amazonaws.com/wolina/39583990834.pdf
- http://nepopenezum.rf.gd/9928461185.pdf
- http://donufuruwitij.atwebpages.com/gobodonanakokawokanewekej.pdf
- https://s3.amazonaws.com/pisik/magufopa.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_off0000e39c.bin` `17d1e321fe365741074720cf2ff1bf2635a1a1566a3b23819c67a42761a25b45`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE39C	5628 bytes
`font_01_sfnt_off0000f6b4.bin` `a05f33af0e603e66024df5097b90315a41093864b4b2da0b29ca9b394e9be152`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF6B4	10500 bytes

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