Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0b0e93befe14e7e…

MALICIOUS

PDF

35.4 KB Created: 2020-09-18 21:50:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 949fd776ad24b9758430369b647dd342 SHA-1: d3bcdf94c201acbff57fee7ff1e026b1d35c2642 SHA-256: b0b0e93befe14e7ed08d485db4aceeeeef2095b74043df3efea4740901e7ee13
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, directing users to 'https://ttraff.club/wix?keyword=elation+dmx+operator+manual+pdf'. Additionally, the PDF exhibits characteristics of a link farm, embedding numerous links to other PDF files, likely for SEO manipulation to increase visibility of malicious content. The document body, though partially corrupted, contains the same malicious URL and references to PDF files, reinforcing the lure.

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.club/wix?keyword=elation+dmx+operator+manual+pdf
    • http://files.seesarahstiversart.com/uploads/1/3/0/9/130969681/8972a0.pdf
    • http://files.cathyrichards.net/uploads/1/3/1/3/131384468/5239386.pdf
    • http://files.ps244q.org/uploads/1/3/1/4/131453588/8212276.pdf
    • http://rozede.bereartc.org/uploads/1/3/1/6/131607712/8824389.pdf
    • http://vukiniwo.hookedonpinball.com/uploads/1/3/2/6/132696194/615150.pdf
    • http://files.clift1.com/uploads/1/3/1/8/131871992/13fcc.pdf
    • http://files.lespontaneo.com/uploads/1/3/1/6/131637402/luwitujuvelekum_jivajoz.pdf
    • https://cdn.shopify.com/s/files/1/0438/9719/2603/files/argan_arte_moderna.pdf
    • https://cdn.shopify.com/s/files/1/0440/7263/2470/files/bioplastico_con_cascara_de_platano.pdf
    • https://cdn.shopify.com/s/files/1/0430/0115/1651/files/bokodojijen.pdf
    • https://cdn.shopify.com/s/files/1/0428/8957/6614/files/patha_bhavan_school_kolkata_admission_form_nursery.pdf
    • https://cdn.shopify.com/s/files/1/0428/1047/4663/files/temabi.pdf
    • https://cdn.shopify.com/s/files/1/0432/0129/8594/files/kingo_android_root_apk.pdf
    • https://cdn.shopify.com/s/files/1/0430/1016/2837/files/nejobonepuguzuxab.pdf
    • https://cdn.shopify.com/s/files/1/0432/1977/9742/files/zasajotubegedo.pdf
    • https://cdn.shopify.com/s/files/1/0431/0433/8073/files/mechanism_of_action_of_general_anesthetics.pdf
    • https://cdn.shopify.com/s/files/1/0434/5357/9430/files/71624404166.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_off00004d01.bin
c8f93b6111da69eedb294c941e291cfdc4361f203921b97664f450638339ee88
pdf-font-stream PDF embedded font (sfnt) at offset 0x4D01 5036 bytes
font_01_sfnt_off00005e16.bin
8b0eb563c5d400c0aa2300891a5e4db1343e56f8200e46a76426fb6e747655fa
pdf-font-stream PDF embedded font (sfnt) at offset 0x5E16 10192 bytes