PDF malware analysis — malicious · c475f98081792422

MALICIOUS

PDF

68.8 KB Created: 2020-12-10 05:38:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8d14e6b9f8a7193587ee7c26b544e19a SHA-1: d0ed91f18536adceb04b9edf07afaf5cc055db08 SHA-256: c475f980817924225360e7f7dc37df225e84799de24e073e6110c929cc9ff786

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://gettraff.ru/aws?utm_term=political+sociology+theories+pdf'. This URL is the primary indicator of malicious intent, likely serving as a lure for phishing or to download further malicious content. The ML classifier also strongly flagged this PDF as malicious.

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/aws?utm_term=political+sociology+theories+pdf
- https://lokeduvedip.weebly.com/uploads/1/3/4/8/134885922/xoxisube.pdf
- https://nunavupogo.weebly.com/uploads/1/3/4/4/134471291/6341694.pdf
- https://bizekexejanagiv.weebly.com/uploads/1/3/4/5/134593847/jogom.pdf
- https://nimizinimaji.weebly.com/uploads/1/3/4/7/134703428/1370f.pdf
- https://duzareledibasa.weebly.com/uploads/1/3/4/8/134890493/rumojadokoxir.pdf
- https://foziletixe.weebly.com/uploads/1/3/4/8/134868526/xadevevisa.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/bezegoluzose/xakadodezanojose.pdf
- https://uploads.strikinglycdn.com/files/c731aa1d-c949-4212-b3cf-ae91e3034c59/nchuand_zel_tree.pdf
- https://s3.amazonaws.com/kovozenamofox/13721391627.pdf
- https://s3.amazonaws.com/xakapudakadu/zinejes.pdf
- https://s3.amazonaws.com/kulinisokakewi/best_game_booster_app_for_android_2018.pdf
- https://s3.amazonaws.com/fupanabivote/creche_business_plan_south_africa.pdf
- https://s3.amazonaws.com/tarizirefevifab/film_anime_movie_terbaru_2019.pdf
- https://s3.amazonaws.com/nitatotol/guide_abrege_mots_croiss.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_off0000cefe.bin` `1368cf425ff5d821b5335bf03c8fc97b5645515a6eea2220e550159350ea219d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCEFE	5520 bytes
`font_01_sfnt_off0000e1c8.bin` `42e3de9ad37cadb01f0864903147360e2c135c237f97a601f0dd2d846803ca14`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE1C8	10900 bytes

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