Malicious PDF — malware analysis report

Static analysis result for SHA-256 4b175f2744ca16f9…

MALICIOUS

PDF

34.7 KB Created: 2020-08-10 04:48:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3dc4661b2c4bd8fc82b45899663eaa19 SHA-1: 4f1fab5f46253edeaf5841af114073346bb29975 SHA-256: 4b175f2744ca16f912759bfd65c1b7304c3a88b9faa5966ecb79d1cabed882c0
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL identified is 'https://ttraff.com/pify?keyword=bibiliya+yera+pdf'. The document body, though heavily obfuscated, contains this URL and other links to Shopify domains, suggesting a link farm or redirection scheme. The presence of a malicious redirector points towards a phishing or malware distribution attempt.

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/pify?keyword=bibiliya+yera+pdf
    • http://razogilug.monetaventures.com/uploads/1/3/0/7/130776485/341fa8.pdf
    • http://files.whasociety.org/uploads/1/3/1/4/131410485/warupefudopazureteg.pdf
    • http://files.natickpegasus.org/uploads/1/3/0/9/130969061/1340435.pdf
    • http://files.northernplainsheritage.org/uploads/1/3/1/4/131453268/3622259.pdf
    • http://files.optimalacademyinc.com/uploads/1/3/2/7/132712315/5909d2f05edf47.pdf
    • https://cdn.shopify.com/s/files/1/0435/1872/2207/files/rovanotom.pdf
    • https://cdn.shopify.com/s/files/1/0430/8022/0826/files/resuwamurapamu.pdf
    • https://cdn.shopify.com/s/files/1/0429/6717/1223/files/93674642944.pdf
    • https://cdn.shopify.com/s/files/1/0438/7491/0376/files/jafokax.pdf
    • https://cdn.shopify.com/s/files/1/0431/3907/2161/files/degilewarusugumekelof.pdf
    • https://cdn.shopify.com/s/files/1/0432/3396/8287/files/skf_ball_bearing_catalog_download.pdf
    • https://cdn.shopify.com/s/files/1/0437/0425/4615/files/zebezowugipowidusidij.pdf
    • https://cdn.shopify.com/s/files/1/0432/6182/1092/files/73799744213.pdf
    • https://cdn.shopify.com/s/files/1/0430/0737/7567/files/semesafatofolemazexowewet.pdf
    • https://cdn.shopify.com/s/files/1/0437/5789/5841/files/56999974903.pdf
    • https://cdn.shopify.com/s/files/1/0437/4865/5265/files/fozixukibi.pdf
    • https://cdn.shopify.com/s/files/1/0432/2977/3982/files/85073510045.pdf
    • https://cdn.shopify.com/s/files/1/0430/5318/7223/files/voicemeeter_banana_hotkeys.pdf
    • https://cdn.shopify.com/s/files/1/0433/2467/0105/files/gorefukezi.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_off00004a40.bin
c4db627eb9c40223f19e17b5ceaeef3a779979d4e13556ca038f07795c3e4104		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4A40 5148 bytes
font_01_sfnt_off00005bda.bin
d92e035a7b06aafc79d321adbe6bdf640d1034b53e3c1d5ee009364252df1689		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BDA 10036 bytes

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