Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae829fdf2c6a3a9b…

MALICIOUS

PDF

42.3 KB Created: 2020-09-17 05:43:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 03a9748079269ee4cd52d0c94e56b605 SHA-1: 0214844a4594d3f6ee63bd8efc6c686664dc0edc SHA-256: ae829fdf2c6a3a9b4b7a2e3a48c9e11eea5bb4d6a22735c68e693d6839e756d9
150 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on Shopify. The ML classifier strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the malicious URL, suggesting a lure to a potentially harmful external resource.

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.
  • 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.
  • 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=traverse+city+fit+body+boot+camp
    • https://cdn.shopify.com/s/files/1/0433/2634/1272/files/rijofapakipizeluj.pdf
    • https://cdn.shopify.com/s/files/1/0428/1437/4054/files/ikeja_hotels_plc_annual_report_2014.pdf
    • https://cdn.shopify.com/s/files/1/0429/3269/9292/files/42172665108.pdf
    • https://cdn.shopify.com/s/files/1/0431/3025/7568/files/xipuwomilus.pdf
    • https://cdn.shopify.com/s/files/1/0433/3069/9414/files/72404914133.pdf
    • https://56126304-bf18-44da-a863-86b490d45381.filesusr.com/ugd/18122d_c70dd3263bf74c9fa4c3ecf034af7f26.pdf?index=true
    • https://6808fa7a-5a9d-4994-a9f0-d3c989437da0.filesusr.com/ugd/d5cf39_1d2cc90d2ee542b7a57323fc628ed59f.pdf?index=true
    • https://d633c181-93cf-437a-80b9-f35d60bb9c3f.filesusr.com/ugd/10b03a_0c5913ae5b4841049f0ce8e805bdd679.pdf?index=true
    • https://16bb678a-3085-4afc-aa11-06bd5180a027.filesusr.com/ugd/2e16aa_d305a0b9022245298918b88634f38d8c.pdf?index=true
    • https://ee60bf0a-9d1c-4bc5-98ea-0b340b502f68.filesusr.com/ugd/866690_f5ea1446e1004345b4be44096d1ed093.pdf?index=true
    • https://aeb849ab-fb19-4720-bbb6-b55841a6370b.filesusr.com/ugd/a4c1fa_339717f179364a98837cbb11cf9dd408.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0435/3343/5029/files/72743275555.pdf
    • https://cdn.shopify.com/s/files/1/0429/7133/2767/files/91461928604.pdf
    • https://cdn.shopify.com/s/files/1/0430/6118/2617/files/bozokijexa.pdf
    • https://cdn.shopify.com/s/files/1/0479/5065/9751/files/mozambique_apex_legends_meme.pdf
    • https://cdn.shopify.com/s/files/1/0433/8758/4661/files/ethnic_conflict.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_off000064d0.bin
46f1e6baa37930b31629ebb952a9648db58f8b12af962d6c3c04b1d040b14670
pdf-font-stream PDF embedded font (sfnt) at offset 0x64D0 5520 bytes
font_01_sfnt_off00007784.bin
059b69d250f7151522d0dce4e9f15042f4e8ee0fc3f2e972f9398226118a8542
pdf-font-stream PDF embedded font (sfnt) at offset 0x7784 10696 bytes