Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fc9b3218ade4d8e…

MALICIOUS

PDF

52.1 KB Created: 2020-08-06 15:09:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8e873bdd5c8157fc90a383977eb685e3 SHA-1: a5e83d54b52d7be310050ddd68aaf36804508742 SHA-256: 2fc9b3218ade4d8e3794dc538f1e33061fe6bb357fed1d3a29ab2754f9ff06dd
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, with one identified as a malicious redirector. The heuristic PDF_SEO_LINK_FARM indicates a mass external PDF link farm, suggesting the document's primary purpose is to host these links. The embedded URL points to a redirector, likely intended to lead users to malicious content or phishing pages.

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.com/pify?keyword=budget+and+budgetary+control+mba+project+pdf
    • http://files.montserratcolome.com/uploads/1/3/2/6/132681062/9219086.pdf
    • http://files.dirtbagcoffin.com/uploads/1/3/1/8/131871951/xatupozupuj_dufinobab_zezizop.pdf
    • http://files.nwgachampionship.com/uploads/1/3/0/7/130738739/lomiziwovoro.pdf
    • http://files.cannycanines.com/uploads/1/3/1/4/131406701/f17c6a7456bdddf.pdf
    • http://files.yogabluetour.com/uploads/1/3/1/3/131397964/a963de.pdf
    • https://cdn.shopify.com/s/files/1/0435/7311/7086/files/historia_del_frente_nacional.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zeranosorijajigafa.pdf
    • https://cdn.shopify.com/s/files/1/0435/4965/5203/files/piwibom.pdf
    • https://cdn.shopify.com/s/files/1/0431/6289/4495/files/39969699748.pdf
    • https://cdn.shopify.com/s/files/1/0431/3694/2234/files/27610759795.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/52135332303.pdf
    • https://cdn.shopify.com/s/files/1/0438/3657/1805/files/53172979351.pdf
    • https://cdn.shopify.com/s/files/1/0431/3205/9810/files/24744287433.pdf
    • https://cdn.shopify.com/s/files/1/0437/9141/7495/files/3230423496.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_off0000839b.bin
f2061816ecae4d0968441956c9c1e29a50722b08d70538be0f9a153065cf40a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x839B 5664 bytes
font_01_sfnt_off000096dc.bin
edfa5b2238c50de5cdb1ce34d403945faf28a33bd95ed41084251cf23f9df37c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x96DC 14444 bytes

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