Malicious PDF — malware analysis report

Static analysis result for SHA-256 240cbd0c74480557…

MALICIOUS

PDF

50.2 KB Created: 2020-08-19 11:24:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 619d4164a977e9c1217a32dec4018ea2 SHA-1: b13ed0fdd1b40f8e35d7b2175a81c4adf161a336 SHA-256: 240cbd0c744805572466157ab94118963fd113af79e3c89e10404df792ac803d
120 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, many of which point to a redirector service. The document body text, though partially obfuscated, includes a URL that appears to be a lure for downloading movie songs, which is a common social engineering tactic. The primary malicious link identified is https://ttraff.com/pify?keyword=banjaran+1991+movie+songs+free, which is flagged as a malicious redirector.

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=banjaran+1991+movie+songs+free
    • http://files.asrtx.com/uploads/1/3/0/8/130873899/1979693.pdf
    • http://zazusad.sawmlian.com/uploads/1/3/1/4/131438025/4146893.pdf
    • http://pemamubu.peaceloveyogaindex.com/uploads/1/3/1/6/131637056/sorajagelexepeti.pdf
    • http://files.comedyblockpartyent.com/uploads/1/3/0/8/130814065/2d9f84759.pdf
    • https://cdn.shopify.com/s/files/1/0432/1676/5087/files/xekobutakupuvizibafapojas.pdf
    • https://cdn.shopify.com/s/files/1/0433/3531/9702/files/wenubeze.pdf
    • https://cdn.shopify.com/s/files/1/0431/0440/3613/files/ronarazuvodewunelagexumi.pdf
    • https://cdn.shopify.com/s/files/1/0430/0190/5315/files/bikavusoxus.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mokotutirajozejimus.pdf
    • https://cdn.shopify.com/s/files/1/0431/9608/8481/files/types_of_assimilation_in_english.pdf
    • https://cdn.shopify.com/s/files/1/0432/4933/6483/files/mitibuzubokaxalaxomorulot.pdf
    • https://cdn.shopify.com/s/files/1/0436/4386/3198/files/what_replaced_limewire.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_off00007fff.bin
7514e01dba045992188eebaf335de22079c2fc7a6bf251108190b7586ee9984f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7FFF 5448 bytes
font_01_sfnt_off0000928e.bin
964fac8c9f695adbcd805f24d8669325002a29d1f22ef90ef915e06fcff2667f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x928E 13252 bytes

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