PDF malware analysis — malicious · dabb2b73ec1a6b08

MALICIOUS

PDF

62.0 KB Created: 2021-01-03 13:46:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16

MD5: 6677c4e0466ba8f5193dbf1d5654d8f4 SHA-1: 93c3912ec12027386843bf63b823801d6e998e8e SHA-256: dabb2b73ec1a6b08e84f066a66e13e4fc33cbe48d64e91c443042aa6cb8756a9

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically identified as a phishing trojan. It contains an embedded URL pointing to 'traffking.ru', which is likely used to deliver a malicious payload or redirect the user to a phishing site. The document body, though heavily obfuscated, contains text related to wallpaper photos, suggesting a social engineering lure.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

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://traffking.ru/aws?utm_term=wallpaper+photo+ladkiyon+ke PDF link annotation
- https://cdn-cms.f-static.net/uploads/4366343/normal_5fd61d465e4e3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4472768/normal_5fc7e6594bae5.pdfIn PDF document text
- https://roderisagewap.weebly.com/uploads/1/3/4/5/134507489/pelorubogizagu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4492573/normal_5fd7ce5598ce5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375894/normal_5fb831fd744da.pdfIn PDF document text
- https://valakafugajebe.weebly.com/uploads/1/3/4/3/134330742/noliwadakekub.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448750/normal_5fb32cd714bdf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381534/normal_5f8cfa97c4456.pdfIn PDF document text
- https://viweposedijul.weebly.com/uploads/1/3/1/0/131070314/5860339.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/doxifuba/flight_simulator_online_2014_mod_apk.pdfIn PDF document text
- https://s3.amazonaws.com/nonipesikiri/o_candombl.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000b88e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB88E	5048 bytes
SHA-256: `0cec49743b9de09bfeed3045a5ff2a36a63f39c83db8ee53bacebb7f91e441d9`
`font_01_sfnt_off0000c9c5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC9C5	9968 bytes
SHA-256: `81ea45c57dc6556a34299273082906f9d2fdf1867d9f5704633b37932092a23a`

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