Malicious PDF — malware analysis report

Static analysis result for SHA-256 a14bb38b0736bbdd…

MALICIOUS

PDF

39.3 KB Created: 2020-08-29 02:23:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 26b916960533080f3eca416f02fa32df SHA-1: f2b4a4b43bb9dd60328afd6d67a55ff99f84f09a SHA-256: a14bb38b0736bbddab7f9d38576c940a6bca7fb8c96b93bd0e8cce6df831ee6d
94 Risk Score

Malware Insights

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

The PDF file contains a malicious redirector link pointing to 'https://ttraff.com/wix?keyword=decay+support+poe'. This indicates an attempt to lure the user to a potentially harmful website. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, and the document body was heavily obfuscated, but the presence of the malicious URL is a high-confidence indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • 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.com/wix?keyword=decay+support+poe
    • https://cdn.shopify.com/s/files/1/0434/7399/3890/files/veloruzodorunina.pdf
    • https://cdn.shopify.com/s/files/1/0435/9494/0575/files/epigenetic_inheritance.pdf
    • https://cdn.shopify.com/s/files/1/0434/6285/2773/files/jepowusobajudepo.pdf
    • https://cdn.shopify.com/s/files/1/0438/0521/2832/files/suvupumoda.pdf
    • https://static.usrfiles.com/ugd/b8c837_6b43c685aaea403bb1a112fa16eaf3c1.pdf
    • https://static.usrfiles.com/ugd/b8c837_6d364c43a68e4f07b13599ffe54ea286.pdf
    • https://cdn.shopify.com/s/files/1/0433/6674/4216/files/antigone_ruby_blondell.pdf
    • https://cdn.shopify.com/s/files/1/0433/7840/9639/files/whatsapp_for_my_pc_windows_8._1.pdf
    • https://cdn.shopify.com/s/files/1/0427/9812/1119/files/buzitanipemawisas.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005ce4.bin
3ba6b0ecdd21e5d0d896776c7e99514364175d981d79989d8c2c04f8c883346b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CE4 4996 bytes
font_01_sfnt_off00006dfe.bin
bee54ad0fa8482ed70b717f7fc5d345631d228bf6e04831730f6da93ed97f50d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DFE 10448 bytes

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