Malicious PDF — malware analysis report

Static analysis result for SHA-256 48e15bccd90a4da4…

MALICIOUS

PDF

44.2 KB Created: 2020-08-01 17:20:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c405564015a217c90f0d05b3efa225b SHA-1: 7294607792d5a64690202310113a517fe48db11b SHA-256: 48e15bccd90a4da4766a669268d6a250c4cbf9b837987e9b9d6982f63ab5ad43
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=2013+honda+accord+manual'. This URL is presented within the document body, disguised as a car manual, indicating a social engineering lure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify, likely for SEO manipulation or to obscure the malicious redirector. No scripts were extracted, but the presence of the malicious redirector and the link farm structure strongly suggests a phishing or malware distribution 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.com/pify?keyword=2013+honda+accord+manual
    • http://files.tuxcattreasures.com/uploads/1/3/1/4/131453194/2373047.pdf
    • http://files.nationalathletic.net/uploads/1/3/2/3/132303023/kozefevufalozegusor.pdf
    • http://files.chambersjewelry.com/uploads/1/3/0/7/130775229/gipakugafosudo_widilatamewa_pasaxa.pdf
    • http://files.lostarkwoodworks.com/uploads/1/3/1/4/131453484/ruxumulenurozage.pdf
    • https://cdn.shopify.com/s/files/1/0431/6086/2874/files/refadilepeduvogomipoja.pdf
    • https://cdn.shopify.com/s/files/1/0436/4884/3929/files/vupewekiregaf.pdf
    • https://cdn.shopify.com/s/files/1/0428/1057/2967/files/27423915567.pdf
    • https://cdn.shopify.com/s/files/1/0437/6556/3541/files/43238388984.pdf
    • https://cdn.shopify.com/s/files/1/0431/7986/8320/files/20119451942.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xoxolesusoziviro.pdf
    • https://cdn.shopify.com/s/files/1/0430/2585/8711/files/94874595706.pdf
    • https://cdn.shopify.com/s/files/1/0428/6211/7023/files/jakena.pdf
    • https://cdn.shopify.com/s/files/1/0435/3120/6808/files/42718050268.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gegexovikorojirokelaxedu.pdf
    • https://cdn.shopify.com/s/files/1/0432/3845/7504/files/72710790572.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_off00006228.bin
2f08e8c897daac27960b80bd6685a58b083d81f10efb791c6d2e8064488b55e9
pdf-font-stream PDF embedded font (sfnt) at offset 0x6228 5032 bytes
font_01_sfnt_off000072f2.bin
9e205721479cd51ac77f843514d2d65e2e258d3f98cd220f0e6c486eb7105927
pdf-font-stream PDF embedded font (sfnt) at offset 0x72F2 10284 bytes
font_02_sfnt_off0000961a.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3
pdf-font-stream PDF embedded font (sfnt) at offset 0x961A 4324 bytes