PDF malware analysis — malicious · 308db1da25ad9c49

MALICIOUS

PDF

57.9 KB Created: 2020-12-16 04:34:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-14

MD5: 62e6af637123d7cd2745e33c9b98642f SHA-1: e3e5f685a857dff31c62489391d92781039a545a SHA-256: 308db1da25ad9c49c6a017f46cc765eb316eeaa8d0623202537856475664bf60

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'traffking.ru', which is likely used to redirect users to a phishing or malware distribution site. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to exploit users through deceptive content, potentially leading to further compromise.

Machine Learning

Nyx PDF Classifier malicious score 0.9981

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/123?utm_term=schwinn+airdyne+ad2+parts PDF link annotation
- https://wuwifure.weebly.com/uploads/1/3/4/6/134647121/3964232.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456166/normal_5fa4ea0b27205.pdfIn PDF document text
- https://piwutevuxave.weebly.com/uploads/1/3/4/8/134891910/731192.pdfIn PDF document text
- https://tazifidaron.weebly.com/uploads/1/3/4/9/134901468/d71c827188.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446263/normal_5fb69df42ffe2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469378/normal_5fc2bcfde92c8.pdfIn PDF document text
- https://fakimodixoto.weebly.com/uploads/1/3/0/7/130739088/sowajagilemokaj_sebuzewij_jolepobisi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/2e2360f2-488d-468f-aa27-49561678f8ac/44176652434.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2281237e-980b-48d1-85db-7cedba814527/25480011354.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_off0000a858.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA858	5560 bytes
SHA-256: `fb7a3013622c2b7665f5f8c8d6c7ccd8511eea25ada637e42caf61ff1a03623b`
`font_01_sfnt_off0000bb55.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBB55	9372 bytes
SHA-256: `2e6fbf1c2eb1d324a4ba746203139e9ab2015f0359722bc1bba43174f74b5fd3`

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