PDF malware analysis — malicious · c624977b0f7017fb

MALICIOUS

PDF

76.3 KB Created: 2020-12-30 07:16:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05

MD5: a11d78a064f8b405a576a8f22934ff4d SHA-1: 3099a7af538300ce5fca418f39ee661681e20650 SHA-256: c624977b0f7017fbd46bcf635d0eeacf1a5f3da5e9bf693e7ea9b90ac052429d

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a heuristic indicating an external URI pointing to 'traffine.ru', which is likely a phishing or malware distribution site. The document body text mentions 'Tokaido game online', suggesting a lure to attract users to this malicious URL. ClamAV detection and ML classification further confirm the malicious nature of the file.

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/strik?utm_term=tokaido+game+online PDF link annotation
- https://cdn.sqhk.co/kibizatududo/hjxhcGX/50649044430.pdfIn PDF document text
- https://cdn.sqhk.co/zewuxumaro/hdQiijg/highway_patrol_office_meridian_ms.pdfIn PDF document text
- https://cdn.sqhk.co/fijajiles/8hcEKyM/silokebodoga.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416495/normal_5fc5eb94b6b20.pdfIn PDF document text
- https://cdn.sqhk.co/mutexeze/ha6ihgh/multi_colored_jump_rings.pdfIn PDF document text
- https://cdn.sqhk.co/wuvupalib/cXifTgu/avengers_loki_x_male_reader_wattpad.pdfIn PDF document text
- https://cdn.sqhk.co/kezixowog/Z8TOUgg/vaxuxarevejazeteviniwo.pdfIn PDF document text
- https://cdn.sqhk.co/maputaliki/4JggkqX/niretudo.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/gonuxiwela/motaf.pdfIn PDF document text
- https://s3.amazonaws.com/dejazuvorira/51532519559.pdfIn PDF document text
- https://s3.amazonaws.com/somisilegex/20239840553.pdfIn PDF document text
- https://s3.amazonaws.com/goviwigax/90091275021.pdfIn PDF document text
- https://s3.amazonaws.com/tanikanaw/41386619244.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_off0000ed78.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xED78	4884 bytes
SHA-256: `8c21f3c4c9d0de81c7d7d37806b1acbf6a39b1f553c8c6d1ea1dbdd1e8251aef`
`font_01_sfnt_off0000fe0b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFE0B	11464 bytes
SHA-256: `9a50997e1b2cb7f188a09cd5d9c10ef30f660bd68f252a35457312bdf801e0c3`

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