Malicious PDF — malware analysis report

Static analysis result for SHA-256 8de7e2071ce5d182…

MALICIOUS

PDF

39.4 KB Created: 2020-08-29 21:55:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f381a0465b09ba9f79f3e994d674251c SHA-1: 7d5333dc401aabe91bf5dc3d31957bc317e74309 SHA-256: 8de7e2071ce5d182e804a3289f62a65e78ed673536be1aa8f87548b53b9dd451
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

This PDF file contains a significant number of embedded links, with at least one identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/wix?keyword=experience+history+volume+1+pdf', which is flagged as malicious. The presence of numerous Shopify links suggests an attempt to disguise malicious activity within a seemingly legitimate context, likely to trick users into downloading further malicious content or visiting phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://ttraff.cc/wix?keyword=experience+history+volume+1+pdf
    • https://cdn.shopify.com/s/files/1/0440/6552/1814/files/answear_sukienki_missguided.pdf
    • https://cdn.shopify.com/s/files/1/0431/3900/6632/files/37154170945.pdf
    • https://cdn.shopify.com/s/files/1/0430/6809/6661/files/bitlife_android_version.pdf
    • https://cdn.shopify.com/s/files/1/0433/4980/3162/files/40882115241.pdf
    • https://cdn.shopify.com/s/files/1/0437/9138/4736/files/xoxatoxuvu.pdf
    • https://cdn.shopify.com/s/files/1/0428/0349/5071/files/adjective_kinds_and_examples.pdf
    • https://cdn.shopify.com/s/files/1/0436/3167/3504/files/precalculus_cheat_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0436/7279/7337/files/vugojudup.pdf
    • https://cdn.shopify.com/s/files/1/0430/2484/2906/files/journal_bearing_types.pdf
    • https://static.usrfiles.com/ugd/eaf48f_7e5369d7bd3941ecb9516e2bc4f6ee47.pdf
    • https://static.usrfiles.com/ugd/b8c837_cebe15d23432472d9d7a1ac17799ce63.pdf
    • https://static.usrfiles.com/ugd/b8c837_a6560a86dbcf4117848d2f1d9867529d.pdf
    • https://static.usrfiles.com/ugd/b8c837_1c8ef90836e44f9cbfe21057f7cca750.pdf
    • https://static.usrfiles.com/ugd/b8c837_c7dff08cdc934edf9583b34df90f6ec4.pdf
    • https://static.usrfiles.com/ugd/b8c837_458b7e132b394b0280f4a3e9ac2d0a63.pdf
    • https://static.usrfiles.com/ugd/b8c837_8ace59331d0748b2875461d6098f44d6.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/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004dc3.bin
76f248e7f4c65ffa2cb7ce802796b06b140d8e0832934a4d328d545bb5cfe138		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4DC3 5308 bytes
font_01_sfnt_off00005fb3.bin
7bb4b86a7fac7675ffeb3131e5c70b1b8b4f284ab5d54db3bc59f971c2d91519		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FB3 10264 bytes
font_02_sfnt_off00008269.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8269 4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.