PDF malware analysis — malicious · cd1d773a951de1d5

MALICIOUS

PDF

60.7 KB Created: 2020-11-09 19:23:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 79925bc52432a8c5e3180307cd62a8e9 SHA-1: 63b2fdf887aea9266df76f6bab552ffb9418e885 SHA-256: cd1d773a951de1d5ff7604bf4fdcc03c0502ca386f80bca41c42857ed8f123c5

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 0.9996

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://traffking.ru/123?keyword=the+world+s+hardest+game+unblocked+2 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4377912/normal_5f90da7e1a7db.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415304/normal_5fa336db00ea9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389570/normal_5f977b2e28a03.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/vinivuxo/corel_draw_x8_serial_number_list.pdfIn PDF document text
- https://s3.amazonaws.com/zikeko/lincoln_johnson_and_radical_republican_plans_for_reconstruction.pdfIn PDF document text
- https://s3.amazonaws.com/gofiguj/roblox_magic_training_spells.pdfIn PDF document text
- https://s3.amazonaws.com/jakujakula/86009025462.pdfIn PDF document text
- https://s3.amazonaws.com/mamukawaxatali/calligraphy_a_complete_guide_free.pdfIn PDF document text
- https://s3.amazonaws.com/godoremitiwuja/unblocked_games_66_slope_ball.pdfIn PDF document text
- https://s3.amazonaws.com/tetazino/15869889570.pdfIn PDF document text
- https://s3.amazonaws.com/zidenigad/christine_by_stephen_king.pdfIn PDF document text
- https://s3.amazonaws.com/fogibi/93871019254.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_off0000b03e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB03E	5728 bytes
SHA-256: `19ff837f26fa6592a82388f2fdb09ac0571676e3de7c31c78687635a167383b5`
`font_01_sfnt_off0000c3a1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC3A1	10068 bytes
SHA-256: `98bd82bccd4e3ed672650b1908d28a7eed4137f9f039918ecc95aa15f261a2c0`

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