PDF malware analysis — malicious · bdee0800e2e8e41a

MALICIOUS

PDF

68.5 KB Created: 2020-11-19 00:23:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 948e1b73c08059787887720fbb84a793 SHA-1: 59393356ebd835929997e623cce48d82b687715f SHA-256: bdee0800e2e8e41af3aa2181c367b080f31bc66e0db6e897fdfce0fdf96a261c

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'https://gettraff.ru/strik?utm_term=what+i+talk+about+when+i+talk+about'. This indicates the document's primary purpose is to lure users to a potentially harmful website. The ML classifier also strongly flagged this PDF as malicious, supporting the assessment of a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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://gettraff.ru/strik?utm_term=what+i+talk+about+when+i+talk+about
- https://cdn-cms.f-static.net/uploads/4381988/normal_5f8e872004ec4.pdf
- https://cdn-cms.f-static.net/uploads/4388276/normal_5f95c42e25aa8.pdf
- https://cdn-cms.f-static.net/uploads/4366642/normal_5f8c189303020.pdf
- https://cdn-cms.f-static.net/uploads/4416136/normal_5f969a15133b3.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/wivunonovef/runixelaje.pdf
- https://s3.amazonaws.com/ximupuv/jefebesebe.pdf
- https://s3.amazonaws.com/nezanurugega/cell_organelle_structure_and_function_worksheet.pdf
- https://s3.amazonaws.com/bupijila/3_on_3_basketball_tournament_utah_2019.pdf
- https://s3.amazonaws.com/susonanezaj/billy_lynn_s_long_halftime_walk.pdf
- https://s3.amazonaws.com/fuwawibu/maths_equation_questions_and_answers.pdf
- https://s3.amazonaws.com/genukopapovixo/rarivonojuguxug.pdf
- https://s3.amazonaws.com/kopisigapub/mecca_brightening_hydrogel_sheet_mask.pdf
- https://s3.amazonaws.com/piwanisaj/pixel_quest_unblocked_66.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000d171.bin` `bb462d50c54e2f0f0c1d0733d15e61ec15e5c2e871405ffa0a03b3e51dc26baa`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD171	4808 bytes
`font_01_sfnt_off0000e1e6.bin` `433f36569d15c49b40b7b348a4eb2bc34d92c0dc51c33abdd59cb4c0fdf82acb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE1E6	10376 bytes

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