PDF malware analysis — malicious · 1dcb2b4de5e5040e

MALICIOUS

PDF

67.6 KB Created: 2020-12-24 09:41:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: b3b28aa9c9b93fc3771433beb840d1ef SHA-1: 90e6832fb8dc29296370d0b882a35440b35dd746 SHA-256: 1dcb2b4de5e5040ea0970f970bebfe0fd9e5159c96e8bdaab0d7edfa5d6c6ab5

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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/strik?utm_term=rush+truck+center+medium+duty PDF link annotation
- https://static.s123-cdn-static.com/uploads/4454171/normal_5fcd82ae5ed4d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389376/normal_5fd33d94b1f05.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460954/normal_5fcc7d90b211c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4424405/normal_5fe20562552b0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366987/normal_5f93b82d83af8.pdfIn PDF document text
- https://cdn.sqhk.co/faxenukev/dieKmhb/kawavamaze.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422163/normal_5f9b1f4a305ca.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/godoremitiwuja/osssc_excise_constable_answer_key_2019.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1d4ad40e-1dc6-4b77-80f9-42cb2cb463f0/kick_the_buddy_forever_play_store.pdfIn PDF document text
- https://s3.amazonaws.com/varolexexus/koridezobokokuvadore.pdfIn PDF document text
- https://s3.amazonaws.com/pexodugosa/febegogiponikimi.pdfIn PDF document text
- https://s3.amazonaws.com/tezofuretejom/battle_gear_hacked_unblocked.pdfIn PDF document text
- https://s3.amazonaws.com/lorugipopuxe/82039199881.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_off0000ce75.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCE75	5112 bytes
SHA-256: `49b0d4222c9419269c5cdb0fd48aa39d1cc190b0557e5d4aa8a0795804496065`
`font_01_sfnt_off0000dfb6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDFB6	9980 bytes
SHA-256: `bf2888ea80fc363c842e15b2a90552262116f937d542def9696e771a1aff08cb`

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