Malicious PDF — malware analysis report

Static analysis result for SHA-256 c62028be1195abc1…

MALICIOUS

PDF

45.6 KB Created: 2020-08-10 00:10:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 92b4b1046cccf4310f75b8003bc1fe03 SHA-1: a64fc9cc53353894a3d032c585dae5091dff447d SHA-256: c62028be1195abc180e8b3db0ac3c5672fd912bfb5d2f30fb9f399ca9004e14c
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 of which point to a link farm hosted on Shopify. One of the primary links, 'https://ttraff.ru/pify?keyword=convert+vce+file+to+pdf+online', is identified as a malicious redirector. The document body also contains this URL, suggesting it is the intended lure. 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=convert+vce+file+to+pdf+online
    • http://files.portlandwatersports.com/uploads/1/3/1/8/131872070/xuguviwotavapomi.pdf
    • http://files.orlandodeleon.com/uploads/1/3/1/1/131163859/9656207.pdf
    • http://files.parkviewclc.com/uploads/1/3/0/9/130969681/babuzojegoni-durivejenoji-sewufinotevere-xodilusisu.pdf
    • http://files.itismusictime.com/uploads/1/3/0/7/130738812/3309421.pdf
    • https://cdn.shopify.com/s/files/1/0431/9579/3571/files/88066709069.pdf
    • https://cdn.shopify.com/s/files/1/0436/4225/7561/files/cv_for_sales_executive.pdf
    • https://cdn.shopify.com/s/files/1/0429/3859/7539/files/sosiraxuwal.pdf
    • https://cdn.shopify.com/s/files/1/0431/9110/7742/files/dictionary_cambridge_english_grammar.pdf
    • https://cdn.shopify.com/s/files/1/0433/3279/6574/files/tozijafusilugufuzo.pdf
    • https://cdn.shopify.com/s/files/1/0432/0627/9323/files/unir_dos_en_una_sola_pagina.pdf
    • https://cdn.shopify.com/s/files/1/0430/0455/9519/files/short_functional_text_announcement.pdf
    • https://cdn.shopify.com/s/files/1/0437/6068/1109/files/dowunir.pdf
    • https://cdn.shopify.com/s/files/1/0431/5417/8216/files/kafuvogoxam.pdf
    • https://cdn.shopify.com/s/files/1/0430/8841/2836/files/assurance_maladie_universelle_cte_d_ivoire.pdf
    • https://cdn.shopify.com/s/files/1/0431/6718/7108/files/zupidawejaget.pdf
    • https://cdn.shopify.com/s/files/1/0428/9105/1161/files/lokekoripexot.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_off0000605a.bin
4e799014d3c71bed5cf5e5ba7e73c41e7a60e2e2dc195eb0aa2eed2cc1c2e6c0
pdf-font-stream PDF embedded font (sfnt) at offset 0x605A 4632 bytes
font_01_sfnt_off00007032.bin
c7b1e0f72e42e1340ff9400daa5f8d65d0ef6da3c98f84febb99146090daf355
pdf-font-stream PDF embedded font (sfnt) at offset 0x7032 13696 bytes
font_02_sfnt_off00009b87.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3
pdf-font-stream PDF embedded font (sfnt) at offset 0x9B87 4324 bytes