PDF malware analysis — malicious · 1a20c3c00e924f41

MALICIOUS

PDF

75.9 KB Created: 2020-12-30 13:06:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23

MD5: 01a214a413ba9056af56529f65486054 SHA-1: 058049701d9f1b26065a62a3b3f8487c6a72ff05 SHA-256: 1a20c3c00e924f413e6b82e00754084bbee47f3dfa83d8dd6f5fe4ea82ab3fcc

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. The document body, though heavily obfuscated, contains text related to the solar system, suggesting a lure.

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://trafffi.ru/wb?keyword=our%20solar%20system%20in%20order%20from%20the%20sun PDF link annotation
- https://cdn-cms.f-static.net/uploads/4366365/normal_5f87af9d72309.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4468837/normal_5fac435b619bb.pdfIn PDF document text
- https://cdn.sqhk.co/faxenukev/XgghiTx/94045758721.pdfIn PDF document text
- https://cdn.sqhk.co/foxidagon/ghhchd5/27888772394.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477155/normal_5fa9ddf87e7b6.pdfIn PDF document text
- https://cdn.sqhk.co/rawegili/wiiPUgi/paint_blasters_nw.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/sixolose/anamika_2008_movie_songs.pdfIn PDF document text
- https://s3.amazonaws.com/lolaritemukole/disorders_of_the_endocrine_system_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/xomepixo/atualizar_android_samsung_j1_mini.pdfIn PDF document text
- https://s3.amazonaws.com/vapite/lakoxipojomofuzevukem.pdfIn PDF document text
- https://s3.amazonaws.com/wonoti/rewugewesuzutelatufipero.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7569784a-ebab-4ce6-86b2-2ba2f5e976a6/epidemic_music_miami.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_off0000ec8c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEC8C	5276 bytes
SHA-256: `46cffa1195a3f59fd5eef04de3cbfb147817cedce12176a6b18f4cd17b0efb34`
`font_01_sfnt_off0000fe58.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFE58	10688 bytes
SHA-256: `24ee3fc762e18a1fce8b273946cab0dc8dfad811349685f067ab550b2f07c051`

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