Malicious PDF — malware analysis report

Static analysis result for SHA-256 213214b1222a0fcc…

MALICIOUS

PDF

73.9 KB Created: 2020-12-21 08:01:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d1958cd76c2d5508006543e1c1cede41 SHA-1: d14650dd58c6f3812976491b2bffc911d13f70e6 SHA-256: 213214b1222a0fcc0800e4f50553f55c86ddc1fd0a3cfc7f58a6e37bd8793aad
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a link to a known malicious redirector, ggtraff.ru, which is likely used to host or redirect to a phishing or malware distribution site. The embedded text 'Carmageddon 2 carpocalypse now free download' is a lure to entice users to click the malicious link. ClamAV and ML classifiers also flagged this PDF as malicious, indicating a high likelihood of malicious intent.

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://ggtraff.ru/strik?utm_term=carmageddon+2+carpocalypse+now+free+download
    • https://cdn-cms.f-static.net/uploads/4483361/normal_5fb2f27fe197a.pdf
    • https://cdn-cms.f-static.net/uploads/4417827/normal_5fd65ac77c0f6.pdf
    • https://cdn-cms.f-static.net/uploads/4406191/normal_5fdb919da32de.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://uploads.strikinglycdn.com/files/3bb0ec36-a996-4153-b577-92850c2dd57f/14196537764.pdf
    • https://uploads.strikinglycdn.com/files/30bd1192-fdb2-43b3-a2db-911e00a4e7ef/47194205483.pdf
    • https://uploads.strikinglycdn.com/files/14e023fb-7edf-4b9b-9ef6-4f0be7c7d37b/guforitebomitamekozesev.pdf
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe3a6ffa04221c71ec0d03/1606302322581/zizikolepopozikubujoneke.pdf
    • https://static1.squarespace.com/static/5fc3175ae2fce462bc9a424b/t/5fc5cdc55147b14804fbb114/1606798791319/section_504_home_repair_program.pdf
    • https://uploads.strikinglycdn.com/files/0abcc58b-5481-4ef2-821a-22a85a20aaee/cornelia_street_piano_sheet_music.pdf
    • https://uploads.strikinglycdn.com/files/e64eba8d-d3e0-4a54-8263-ff0316a7ff66/nedisag.pdf
    • https://uploads.strikinglycdn.com/files/3e0d2893-9991-4704-ad63-252a921cdeaf/50487641697.pdf
    • https://uploads.strikinglycdn.com/files/eef31372-a41b-49d5-8e20-9cf670920a55/resiwe.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d669.bin
b843ff002ddb121c96638a35ddee67e2d5abfe38d4005d60178ce1421095afa0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD669 5484 bytes
font_01_sfnt_off0000e912.bin
aab2085c78862e905f4375b37d4d683a70cc603ca882e8c09a108ec58dd2938a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE912 10348 bytes
font_02_sfnt_off00010c8d.bin
7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10C8D 4324 bytes

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