PDF malware analysis — malicious · 1706ca0a1f6f9bcc

MALICIOUS

PDF

87.3 KB Created: 2021-01-01 02:43:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 682de6f4f0812ddbf987fc030d51b74e SHA-1: ecccc3a6b932a820fc74c68f9060e702994cf829 SHA-256: 1706ca0a1f6f9bcc773cd9c9d5c25347f0431a7b4931fc6054dcb01f673ee87e

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to 'trafffi.ru', which is likely a malicious domain used for phishing or malware distribution. The document body, though heavily obfuscated, suggests a lure related to 'Pirate dice online', indicating a potential scam or phishing attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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/strik?utm_term=pirate+dice+online
- https://cdn.sqhk.co/guledijuxi/E8hijd2/sawofolebibapotitu.pdf
- https://static.s123-cdn-static.com/uploads/4493888/normal_5fccebf6365e2.pdf
- https://cdn.sqhk.co/xekiparot/fhd0hbq/suvivamepoxuka.pdf
- https://cdn-cms.f-static.net/uploads/4448713/normal_5fc1888ba04bc.pdf
- https://static.s123-cdn-static.com/uploads/4469634/normal_5fcf60e664f3c.pdf
- https://cdn.sqhk.co/wuluzajiroz/heCJlIF/pc_games_to_play_with_xbox_controller.pdf
- https://cdn.sqhk.co/bixatavafut/jjjVYja/f1_manager_2020_parts_guide.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/lolaritemukole/10231183229.pdf
- https://s3.amazonaws.com/povodijirig/87692906431.pdf
- https://s3.amazonaws.com/sukedil/22786532678.pdf
- https://s3.amazonaws.com/pegozegi/diril.pdf
- https://s3.amazonaws.com/zalomi/amenagement_du_territoire_en_haiti.pdf
- https://uploads.strikinglycdn.com/files/bb897879-689a-4a96-a117-64cb15b828ed/39871810458.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000f3f6.bin` `ee32beb4aba3cab904e20254d8e2067050641d713a94e76e1be3b67b2b2325b4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF3F6	4544 bytes
`font_01_sfnt_off0001035c.bin` `262742db7f9c07c7e6415c1eda124553fb0876e158feb0495686c33aef473dd7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1035C	12216 bytes
`font_02_sfnt_off00012d04.bin` `713933360072c9d59346590fad668f98c3603c6d2b72ed941ce85481f6af0b74`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12D04	16060 bytes
`font_03_sfnt_off00014196.bin` `ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x14196	4324 bytes

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