PDF malware analysis — malicious · ddcae1698ca289e0

MALICIOUS

PDF

67.4 KB Created: 2020-11-19 06:52:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 0a17a6ab00773c6c87b07503a4768454 SHA-1: 940876d36a4dcd9dca872c0b7d12fa7d7f38df96 SHA-256: ddcae1698ca289e0a47bf5e21033379fafc92a8be6101419045d11f6f026c3c5

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 0.9998

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://trafficel.ru/123?utm_term=hepa+furnace+filter+16x25x1 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4496605/normal_5fb55e1602352.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365613/normal_5f8f59a48e019.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419836/normal_5f9760e0487f4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367643/normal_5f9a5a7b6cb9a.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/04a3e010-68e5-4122-b938-ec032603d894/99154248190.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/94979ed1-ce81-405c-9b96-1c80c1fb128a/66593576920.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e27833ba-c096-48c2-b6d7-99cabda57d23/black_labor_white_wealth.pdfIn PDF document text
- https://s3.amazonaws.com/dutimajizowa/geometry_extra_practice_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ec2131ca-299b-45ea-87ea-188b46f0d31f/sineretedej.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b19b1da7-0a7d-4f7a-a87b-fa2157e95fc9/jesonukemepusaxu.pdfIn PDF document text
- https://s3.amazonaws.com/vezumobigodub/gumap.pdfIn PDF document text
- https://s3.amazonaws.com/vavabi/besharam_movie_full.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_off0000c999.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC999	5320 bytes
SHA-256: `79a8821f222488b95e96a901a8ef3e9d15ae31a9ff06195abeb50780f41b481d`
`font_01_sfnt_off0000dbd3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDBD3	11156 bytes
SHA-256: `9b8db03b6149ff0fb30be316d7965d8ae8a10a759914042b0c7ef9d6344c93f1`

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