Malicious PDF — malware analysis report

Static analysis result for SHA-256 52865744102b06b9…

MALICIOUS

PDF

45.9 KB Created: 2020-08-09 22:14:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e4588bd9c35aed6b22f6f1f0497c430c SHA-1: aa9ecd81df4cc40362059148d336ea0f76a74c18 SHA-256: 52865744102b06b9670c5de2835d5e848c3bbbc7a786368f1b67572cbe65df34
130 Risk Score

Malware Insights

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

The PDF contains a link farm designed to appear as a health brochure, likely to trick users into clicking. The primary malicious link, 'https://ttraff.cc/pify?keyword=apollo+munich+easy+health+brochure+pdf', redirects to further infrastructure. The document body contains obfuscated text and embedded URLs, indicating a delivery mechanism for potentially malicious content.

Heuristics 4

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=apollo+munich+easy+health+brochure+pdf
    • http://files.mercedesugarte.com/uploads/1/3/0/9/130969761/pibufuzuxot-kazaj-suluvuxesuru-manopoxoratolu.pdf
    • http://files.martynsmondayclub.co.uk/uploads/1/3/1/0/131070500/08cdf48b601.pdf
    • http://files.kelseyglynn.com/uploads/1/3/0/8/130874180/fbe8d13eddc1c8.pdf
    • http://jaxofiru.lexarosean.com/uploads/1/3/1/8/131857920/b1a6e30e5b0.pdf
    • http://xowiroxi.floridasnativebees.com/uploads/1/3/0/9/130969352/segas_jizekibexar.pdf
    • https://cdn.shopify.com/s/files/1/0434/2503/8497/files/30461793022.pdf
    • https://cdn.shopify.com/s/files/1/0429/9656/4131/files/60365988545.pdf
    • https://cdn.shopify.com/s/files/1/0440/6879/8614/files/vugapibomaguwa.pdf
    • https://cdn.shopify.com/s/files/1/0440/0755/5222/files/anselm_grn_knyvei.pdf
    • https://cdn.shopify.com/s/files/1/0432/0857/3091/files/nuzamazerafu.pdf
    • https://cdn.shopify.com/s/files/1/0428/8780/7129/files/39325167007.pdf
    • https://cdn.shopify.com/s/files/1/0428/1516/0487/files/creative_thinking_techniques.pdf
    • https://cdn.shopify.com/s/files/1/0431/6377/9240/files/57431385856.pdf
    • https://cdn.shopify.com/s/files/1/0434/9463/7734/files/la_peste_albert_camus_gratis.pdf
    • https://cdn.shopify.com/s/files/1/0431/0797/5330/files/zesatuwirisalemeboziga.pdf
    • https://cdn.shopify.com/s/files/1/0434/1599/4529/files/nj_transit_bus_117.pdf
    • https://cdn.shopify.com/s/files/1/0434/0868/7269/files/sutozegufoberodu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/12584167006.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_off00007369.bin
84c6ab7090ed373e73c101840fc548eaccd53d2fef7d0041a5016bac5f5528f0
pdf-font-stream PDF embedded font (sfnt) at offset 0x7369 5628 bytes
font_01_sfnt_off00008661.bin
f1ee66f3e52461685615fa2cd1e9036a8ce35c2787156e2fc0e4130f8d08de46
pdf-font-stream PDF embedded font (sfnt) at offset 0x8661 10756 bytes