Malicious PDF — malware analysis report

Static analysis result for SHA-256 bbdd56f743a56156…

MALICIOUS

PDF

38.8 KB Created: 2020-08-15 20:16:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b4c0e5ceb893e4ef8dade82e7b9ec195 SHA-1: 0799e17340ffa3f341c469a55a8093c6ac080057 SHA-256: bbdd56f743a56156699e9e539b7e2bb948234046477fbaf708027ca530c193b6
150 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as a vehicle owner's manual, aiming to lure unsuspecting users. The PDF_MALICIOUS_REDIRECTOR_LINK heuristic firing confirms this, and the embedded URL points to a known malicious redirector. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, likely for SEO manipulation to increase visibility of malicious content.

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.cc/wb?keyword=2007%20mitsubishi%20lancer%20owners%20manual%20pdf
    • http://files.schwetjeproject.com/uploads/1/3/1/0/131070718/5589736.pdf
    • https://cdn.shopify.com/s/files/1/0428/6971/9196/files/xurisasofosemopexirob.pdf
    • https://cdn.shopify.com/s/files/1/0433/2358/8773/files/fejawifuxalon.pdf
    • https://cdn.shopify.com/s/files/1/0430/5358/0439/files/qualities_of_transformational_leadership.pdf
    • https://cdn.shopify.com/s/files/1/0432/4484/7266/files/42697693199.pdf
    • https://cdn.shopify.com/s/files/1/0428/9101/8396/files/84977897308.pdf
    • https://cdn.shopify.com/s/files/1/0435/1908/2651/files/septic_tank_design_example.pdf
    • https://cdn.shopify.com/s/files/1/0433/3695/8106/files/jovafebarufidez.pdf
    • https://cdn.shopify.com/s/files/1/0430/3981/7890/files/90591362641.pdf
    • https://cdn.shopify.com/s/files/1/0431/3989/1357/files/audiometria_infantil.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_off0000586a.bin
c4cd7b6694d5a2dd33dc0e0502812910026b50a396b4a44e714166863e225f97		 pdf-font-stream PDF embedded font (sfnt) at offset 0x586A 5888 bytes
font_01_sfnt_off00006c4e.bin
1747269a0dca127e8ec00ea00071fb9d2b9bf8c8c3e76d2ca92bcb6ba6e932aa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C4E 10052 bytes

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