PDF malware analysis — malicious · 4f33119595eee16e

MALICIOUS

PDF

66.4 KB Created: 2020-11-23 05:54:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02

MD5: cd4b15c6a0e64528f8ec0f3fc85c0dd5 SHA-1: dd9a937fd44e84f9d4e31515754374be07b02283 SHA-256: 4f33119595eee16e4153d6b1b5e214a4a5eeeefc0f66375736158f85250fd34c

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://traffine.ru/aws?utm_term=free+printable+color+by+letter+worksheets PDF link annotation
- https://kagedevuj.weebly.com/uploads/1/3/4/6/134643161/zesumezojal-worapirula-sururafam.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378834/normal_5fbaff1a88a49.pdfIn PDF document text
- https://mubuzetuwifo.weebly.com/uploads/1/3/4/7/134703000/duvegukof.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369164/normal_5f890a50251bc.pdfIn PDF document text
- https://duzufeto.weebly.com/uploads/1/3/4/7/134734580/fabezemojevon.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/solonebosop/steam_gift_card_generator_working.pdfIn PDF document text
- https://s3.amazonaws.com/pazerogasarinu/how_to_manually_install_mods_for_skyrim_se.pdfIn PDF document text
- https://s3.amazonaws.com/golepe/ipod_touch_64gb_3rd_generation.pdfIn PDF document text
- https://s3.amazonaws.com/viregujipowuru/king_root_apk_2020.pdfIn PDF document text
- https://s3.amazonaws.com/fedure/modakip.pdfIn PDF document text
- https://s3.amazonaws.com/pezofut/65333137579.pdfIn PDF document text
- https://s3.amazonaws.com/midipes/35348897114.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_off0000c6a1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC6A1	5372 bytes
SHA-256: `a9a8f896859a455eb52fd27946660e807127f9681672895e156fe6f081fdd034`
`font_01_sfnt_off0000d8f8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD8F8	10592 bytes
SHA-256: `9a299e2bb649178761244aae6d85e69fc6f64d93981e269e0c9fa94989b44123`

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