PDF malware analysis — malicious · 234edc310a94e815

MALICIOUS

PDF

68.8 KB Created: 2020-11-10 21:32:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 49dd53a0500541f8a3443450af70ccfe SHA-1: 9d1183fdcc64e710e909217a9c7b7275754f98db SHA-256: 234edc310a94e815d0b37ed644e88a765d9f85b9e45221e596202f69359735b6

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://traffnew.ru/123?keyword=marilyn+monroe+star+necklace PDF link annotation
- https://cdn-cms.f-static.net/uploads/4367642/normal_5f89412e5ecf1.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/potevip/bloomington_high_school_north_football.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7420339d-1d4b-4466-bfa3-c0880c53adac/my_hero_academia_episode_66_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e8cd0794-5097-4856-9429-d852d5a24a51/fadanegiz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e13a8319-3082-4d01-ac11-e23619832315/8255485490.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8a068ba0-ab8d-4916-9874-c2a961b1e9d5/38408162610.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c07c5c74-444e-47e4-bfda-31f29ecbea4c/susedemalipuvem.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/06ccf600-90ca-47be-9c99-6aa6c78411d8/jugokemuf.pdfIn PDF document text
- https://s3.amazonaws.com/mupukesunobaga/gosubadejunamegidowir.pdfIn PDF document text
- https://s3.amazonaws.com/sivanira/arduino_uno_filetype.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e57f644e-28dc-487d-a5dc-a664aedc185a/54416908179.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_off0000d212.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD212	5116 bytes
SHA-256: `9c0761cf25608184d89a7dbe7440d1052da1fb186bf218b6acbf5d88e0968ff8`
`font_01_sfnt_off0000e37a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE37A	10364 bytes
SHA-256: `fadbf32948372b70dee79d2ded7717a9d62bc1334802cbe3b806425cbb5f74fc`

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