Malicious PDF — malware analysis report

Static analysis result for SHA-256 c98484441eec71f3…

MALICIOUS

PDF

98.2 KB Created: 2020-08-18 23:04:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 52c371328afe10d8534828edc5621a15 SHA-1: daa7a0aa65c557db1e6fffaf5f7b45c1cf0a44e3 SHA-256: c98484441eec71f3344a9d8be323f764c97a8986f5c007e689a88a4a111fa26f
168 Risk Score

Malware Insights

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

The PDF contains heuristics indicating it is a malicious redirector and part of an advance-fee scam lure, specifically mentioning 'fintrac eftr reporting' and 'invoice/payment language'. The primary malicious URL, https://ttraff.cc/pify?keyword=fintrac+eftr+reporting, is likely used to redirect the user to a malicious site. Several other PDF URLs were also extracted, some of which are benign, but the presence of the redirector and scam lures strongly suggests malicious intent.

Heuristics 5

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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/pify?keyword=fintrac+eftr+reporting
    • http://bulupivig.luxesalonmaui.com/uploads/1/3/1/0/131071231/7875264.pdf
    • http://files.homesmithvt.com/uploads/1/3/1/3/131398221/906518.pdf
    • https://cdn.shopify.com/s/files/1/0435/8150/5695/files/gatling_gun_plans.pdf
    • https://cdn.shopify.com/s/files/1/0431/7921/2959/files/chemistry_textbook_part_2_for_class_11.pdf
    • https://cdn.shopify.com/s/files/1/0432/0978/5512/files/linear_and_nonlinear_programming_solution_manual_luenberger.pdf
    • https://cdn.shopify.com/s/files/1/0431/4755/9067/files/2004_dodge_ram_1500_owners_manual.pdf
    • https://cdn.shopify.com/s/files/1/0436/7679/5030/files/creatinina_alta_en_orina.pdf
    • https://cdn.shopify.com/s/files/1/0428/0942/6079/files/jafidowozorukizoj.pdf
    • https://cdn.shopify.com/s/files/1/0431/2609/6036/files/gavibovaletefozatuk.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tivaluzisezulumavolo.pdf
    • https://cdn.shopify.com/s/files/1/0430/8018/8058/files/expedition_to_the_barrier_peaks_5e.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mosagewenusuwaguxizekud.pdf
    • https://cdn.shopify.com/s/files/1/0434/1668/2663/files/git_pull_terminal.pdf
    • https://cdn.shopify.com/s/files/1/0432/5477/5970/files/bitovabekazuzodisewiwuriv.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_off0001463f.bin
8a370ac43b4bc8c82ba94fc1752bc430142bd41257f59017c277e9059acf1b4e
pdf-font-stream PDF embedded font (sfnt) at offset 0x1463F 4928 bytes
font_01_sfnt_off00015712.bin
1312f999844f0f0caba548673d4c034483b27fd1bae1d56de950aeada51f12fd
pdf-font-stream PDF embedded font (sfnt) at offset 0x15712 10700 bytes