PDF malware analysis — malicious · f052bed6603bca54

MALICIOUS

PDF

59.7 KB Created: 2020-12-17 07:27:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 29b6dd3dfc371df30d89a3c929386f02 SHA-1: 13bd35f83c54b8904b4552da4934140f69d8a5d1 SHA-256: f052bed6603bca540102ec1d415f198fe4ddc148125032f4bf5154076fce1540

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. An embedded URI points to 'traffset.ru', a suspicious domain often associated with phishing or malware distribution. While no scripts were explicitly extracted, the PDF structure and the presence of external URIs suggest an attempt to redirect the user to a malicious site.

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://traffset.ru/123?utm_term=words+with+really
- https://jarapitoxedomel.weebly.com/uploads/1/3/1/4/131437170/kezajobepubar_xilatexa_jirogirijevipas.pdf
- https://wonigebegi.weebly.com/uploads/1/3/1/6/131606731/8039140.pdf
- https://vetaneje.weebly.com/uploads/1/3/4/7/134729364/ee137f1eed1834.pdf
- https://static.s123-cdn-static.com/uploads/4390995/normal_5fcf40f6e6798.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/90206525-02ba-4608-ac79-b2a91f067c4a/7951498732.pdf
- https://uploads.strikinglycdn.com/files/845ba127-a3c4-4126-88a9-8b8ab48740e4/gta_san_andreas_apk_obb_download_google_drive.pdf
- https://uploads.strikinglycdn.com/files/aac333b5-9099-49d9-a6de-5225d1fcb979/10155489638.pdf
- https://s3.amazonaws.com/zonivezada/79088162200.pdf
- https://uploads.strikinglycdn.com/files/fcf54284-1e06-42c4-a153-b5a8e3550eed/42838217506.pdf
- https://static1.squarespace.com/static/5fce075541ec4a2cc0e04993/t/5fd6c5a9481cfa31add6eab1/1607910825789/47825629156.pdf
- https://uploads.strikinglycdn.com/files/c42de082-4320-4861-b5fc-cd4df5b9c0c0/kekunuzamodalu.pdf
- https://uploads.strikinglycdn.com/files/a81a48f4-d85c-4930-9f11-b81e879af04e/tovapufanume.pdf
- https://uploads.strikinglycdn.com/files/679eb954-c346-40a1-9172-3a5606f34908/median_xl_necromancer.pdf
- https://s3.amazonaws.com/donarepemi/fuvozikavivo.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_off0000afc5.bin` `78ca0628c806325208747a16b0a1d3abf60c660ebe1bcb751f67fb8e6be1f3bb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAFC5	5120 bytes
`font_01_sfnt_off0000c141.bin` `fdd8bcc818e36901e2decb377a416ade6363bf351af954f919399e7d5190de1a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC141	9688 bytes

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