PDF malware analysis — malicious · fd6253f8c432b583

MALICIOUS

PDF

70.1 KB Created: 2020-12-28 17:38:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16

MD5: 5f67b62923cd82796da136401607bf9c SHA-1: 240264b2b7cd99b9c2d45d083a1adb88778a2f38 SHA-256: fd6253f8c432b583dc1791c7b1811f46ead9e162b71b666e53e88260d91c15f8

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged as malicious by a ML classifier and ClamAV, indicating a high likelihood of malicious intent. The document body, though heavily obfuscated, contains text related to 'nutritional information' and 'roasted carrots', likely serving as a lure. The embedded URI points to a suspicious domain, traffking.ru, which is likely used to host a malicious payload or phishing content.

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://traffking.ru/aws?utm_term=nutritional+information+roasted+carrots PDF link annotation
- https://static.s123-cdn-static.com/uploads/4490720/normal_5fcdf0ef80f0a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393208/normal_5f8e4615ab666.pdfIn PDF document text
- https://cdn.sqhk.co/wirujurumugi/ijbkfhh/warpath_movie_1951.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382618/normal_5f9cd1b8d2ff3.pdfIn PDF document text
- https://zisatusomet.weebly.com/uploads/1/3/4/8/134872515/553b96831b7.pdfIn PDF document text
- https://cdn.sqhk.co/kivuwutu/jiVmgjd/bike_race_bike_blast_rush.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447916/normal_5fbdd3ad4268c.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/f7d372a0-85ef-420e-919e-31cfe5225b28/virginia_tech_irb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4e21f821-4b49-4120-92a2-13a5957aac98/john_maxwell_360_degree_leadership.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ae2e02af-54d9-4d3e-a270-da7f43592229/56722356927.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_off0000d44a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD44A	5136 bytes
SHA-256: `92515241ff05d762fc9f55935e8b4742d9414c886b4575ab0cdb2390eca9847f`
`font_01_sfnt_off0000e5b1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE5B1	11008 bytes
SHA-256: `510590324e53b9304380e9469e36d1f842570cfbd67fa4feacd1ab635b455cc3`

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