Malicious PDF — malware analysis report

Static analysis result for SHA-256 e98d2fbfb8d1bfff…

MALICIOUS

PDF

36.9 KB Created: 2020-08-10 08:07:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b1074ae6a7997b6e5343107baa398739 SHA-1: ff7901f8462775610b058197022980a7eda15be4 SHA-256: e98d2fbfb8d1bfff1c74618db27c67bdb7aee4cd7c0d14437bcee1b76a1e73ad
150 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing indicating it redirects to known malicious infrastructure via 'https://ttraff.ru/pify'. The document body and embedded links suggest a lure to download further content, likely malicious. The presence of multiple Shopify URLs, one of which is flagged as malicious, indicates a link farm used for SEO poisoning to attract victims.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=cours+automatisme+ofppt+pdf
    • http://files.staufferlab.com/uploads/1/3/1/1/131164473/laxujugijav.pdf
    • http://files.worldclasslanguagesolutions.com/uploads/1/3/0/7/130738971/5804023.pdf
    • http://files.midstateinspectionservices.com/uploads/1/3/0/7/130776648/16d7c2b056524d.pdf
    • http://files.lo-phi.com/uploads/1/3/2/6/132681219/betutejasowunabe.pdf
    • https://cdn.shopify.com/s/files/1/0432/0627/9332/files/dinakuxi.pdf
    • https://cdn.shopify.com/s/files/1/0430/8090/8951/files/ganavedi.pdf
    • https://cdn.shopify.com/s/files/1/0432/0346/1283/files/wewikato.pdf
    • https://cdn.shopify.com/s/files/1/0430/6354/1917/files/ginanim.pdf
    • https://cdn.shopify.com/s/files/1/0432/6323/0116/files/investment_science_solutions_manual.pdf
    • https://cdn.shopify.com/s/files/1/0431/3694/2234/files/retoxejudozexe.pdf
    • https://cdn.shopify.com/s/files/1/0448/2121/7442/files/alcoholismo_mexico.pdf
    • https://cdn.shopify.com/s/files/1/0434/1219/3438/files/98632696215.pdf
    • https://cdn.shopify.com/s/files/1/0431/6830/1212/files/zoo_tycoon_free_crack.pdf
    • https://cdn.shopify.com/s/files/1/0428/5192/6183/files/76690633064.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_off00005450.bin
ec409caeda677d20d8303f0d67e7be8c5b7dea9e6c841d4aa596cb0bf725e59d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5450 5060 bytes
font_01_sfnt_off0000656a.bin
0d2b5fe0dc33d491879bfdab83555086bb9d63eb260444c25aa2676d1e7e33b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x656A 9848 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.