Malicious PDF — malware analysis report

Static analysis result for SHA-256 355e6d47c0fb38b1…

MALICIOUS

PDF

52.4 KB Created: 2020-08-27 21:51:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5c5cc45ee049ec7129c7f173f6c982db SHA-1: 714226faf5d63e94b6ea232944306d21b2021442 SHA-256: 355e6d47c0fb38b18868a6ab9191b24d6681e43b30840d87fee7f01a5e2c6cd8
120 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with many links pointing to Shopify domains, likely for SEO manipulation. One prominent link, 'https://ttraff.link/pify?keyword=europa+universalis+4+achievements+guide', is identified as a malicious redirector. This suggests the document's primary purpose is to redirect users to malicious infrastructure under the guise of providing a game guide. No scripts were extracted, limiting the analysis of further payload delivery mechanisms.

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.link/pify?keyword=europa+universalis+4+achievements+guide
    • http://files.nhinayasss.com/uploads/1/3/1/4/131483685/559d28956.pdf
    • http://files.2000enterprise.com/uploads/1/3/2/8/132815002/jigevifoxepuma-tagubirarazad-sapiwusogojuxeb-ranafazomeve.pdf
    • http://pukem.dancearama.org/uploads/1/3/2/7/132711991/guwivibege.pdf
    • http://genidubid.redrockfurniture.co.uk/uploads/1/3/1/3/131381787/pozududilune.pdf
    • http://togefezi.reversogames.com/uploads/1/3/1/4/131407158/52595.pdf
    • https://cdn.shopify.com/s/files/1/0437/3859/5482/files/puwukometujoxeximowutu.pdf
    • https://cdn.shopify.com/s/files/1/0447/2075/0745/files/eligard_full_prescribing_information.pdf
    • https://cdn.shopify.com/s/files/1/0432/7600/9632/files/68926356525.pdf
    • https://cdn.shopify.com/s/files/1/0428/3708/2271/files/canela_de_velho_dosagem.pdf
    • https://cdn.shopify.com/s/files/1/0457/0352/8604/files/35589954211.pdf
    • https://cdn.shopify.com/s/files/1/0433/8181/7505/files/body_language_joe_navarro.pdf
    • https://cdn.shopify.com/s/files/1/0435/6869/3411/files/boanstvena_komedija_lektira.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49839171509.pdf
    • https://cdn.shopify.com/s/files/1/0432/2318/7614/files/digolevebuletigaxal.pdf
    • https://cdn.shopify.com/s/files/1/0430/3486/9909/files/bharatiya_vidya_bhavan_books.pdf
    • https://cdn.shopify.com/s/files/1/0440/6021/3398/files/wodawuf.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_off00008df3.bin
c83f4a484d66f8562dc817e4a63ed03e1cf7bd5dd2a4cf990cd8088a05837b0e
pdf-font-stream PDF embedded font (sfnt) at offset 0x8DF3 5592 bytes
font_01_sfnt_off0000a0d9.bin
00485a2d581edb89e0898e27d04023b540d85c4cd84b9162e25adbae3b273a54
pdf-font-stream PDF embedded font (sfnt) at offset 0xA0D9 10292 bytes