Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5f7823d54c1517f…

MALICIOUS

PDF

51.1 KB Created: 2020-08-11 20:43:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 75a2bcefcbea07036bba1bcb05291f0a SHA-1: b68bef5489ad1e954964d7202d250d28ddbb4879 SHA-256: b5f7823d54c1517fd93ac4b261cae6fe2c19982b8fffa62ca4536f29230b9b54
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, contains the same URL and references 'mastering javascript design patterns pdf', suggesting a lure to a malicious resource. The presence of a link farm and a malicious redirector indicates a phishing or scam 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.ru/pify?keyword=mastering+javascript+design+patterns+pdf
    • http://files.rtstringer.com/uploads/1/3/2/7/132741375/9efafd997d695.pdf
    • http://files.sacredmusicfestival.org.uk/uploads/1/3/1/4/131453294/toliwizulituwo_puwole_fefugikarefoda.pdf
    • http://files.agathafashion.shop/uploads/1/3/0/9/130969375/9654079.pdf
    • http://files.haveaseatcolorado.com/uploads/1/3/2/6/132695301/sepinip.pdf
    • http://files.craigsterritt.com/uploads/1/3/1/3/131380397/8920195.pdf
    • https://cdn.shopify.com/s/files/1/0430/8549/6482/files/68933972870.pdf
    • https://cdn.shopify.com/s/files/1/0437/3794/0122/files/400_day_clock_repair_guide.pdf
    • https://cdn.shopify.com/s/files/1/0431/2950/3901/files/54196695129.pdf
    • https://cdn.shopify.com/s/files/1/0430/9493/3665/files/61735904320.pdf
    • https://cdn.shopify.com/s/files/1/0432/6581/8782/files/53550169810.pdf
    • https://cdn.shopify.com/s/files/1/0436/9544/0040/files/mathematical_modeling_giordano.pdf
    • https://cdn.shopify.com/s/files/1/0438/5931/2800/files/41626313566.pdf
    • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/wugugegutemafej.pdf
    • https://cdn.shopify.com/s/files/1/0431/3425/5258/files/gta_5_online_hacking_tool.pdf
    • https://cdn.shopify.com/s/files/1/0432/3724/5086/files/automatic_process_control.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_off00007a47.bin
cdeacac18a52273adb4cf7496dceecd963173a7169f5af386fc97d2c3ea88d5d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A47 5108 bytes
font_01_sfnt_off00008bc6.bin
094239c0796b078459d9b312658633f04925bb74e29461d097dcd8c4f34f1c7f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8BC6 10368 bytes
font_02_sfnt_off0000af1b.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAF1B 4324 bytes

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