Malicious PDF — malware analysis report

Static analysis result for SHA-256 b48807e64130e87c…

MALICIOUS

PDF

46.8 KB Created: 2020-08-23 14:00:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 49cdc2a90c8fb6e768847c56d2bfec32 SHA-1: e9d0758554034f05358125601b3869bf32c40c92 SHA-256: b48807e64130e87c13ec961e3c0f61f313bf6526d22bca04794d2319115bd87f
120 Risk Score

Malware Insights

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

The PDF file contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The embedded URL 'https://ttraff.com/pify?keyword=movie++site+list+bollywood' is a primary indicator of this malicious redirection. The document body, though heavily obfuscated, also contains this URL, reinforcing the lure. The PDF_SEO_LINK_FARM heuristic indicates a mass of external links, many hosted on Shopify, suggesting an attempt to obscure the true malicious destination.

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=movie++site+list+bollywood
    • http://files.fonzasport.com/uploads/1/3/0/8/130874368/xoterebofo-vedelejulurote-zoverisokavono-wulika.pdf
    • https://cdn.shopify.com/s/files/1/0431/6076/4576/files/main_causes_of_poverty_in_kenya.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30072581460.pdf
    • https://cdn.shopify.com/s/files/1/0432/6372/1637/files/kibegivetatadorababodafi.pdf
    • https://cdn.shopify.com/s/files/1/0438/2906/7938/files/82738896097.pdf
    • https://cdn.shopify.com/s/files/1/0432/5031/9517/files/33471896145.pdf
    • https://cdn.shopify.com/s/files/1/0429/9295/9642/files/jivizuvawa.pdf
    • https://cdn.shopify.com/s/files/1/0429/3738/5123/files/kidojedesebot.pdf
    • https://cdn.shopify.com/s/files/1/0462/2024/7194/files/zobukinabovejodun.pdf
    • https://cdn.shopify.com/s/files/1/0438/9902/7611/files/rikonu.pdf
    • https://cdn.shopify.com/s/files/1/0430/1206/3391/files/42348243940.pdf
    • https://cdn.shopify.com/s/files/1/0435/2950/2874/files/19830237644.pdf
    • https://cdn.shopify.com/s/files/1/0428/3770/4867/files/lewidub.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_off000079b4.bin
c598e695fb41648e18a1d56fbec1505a187872595ca0fe7e492c67ab81d46367		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79B4 4912 bytes
font_01_sfnt_off00008aa0.bin
336490020c41598785f306a383b4ca723eef161dbff4ebaaeb298da8c0f2d23a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8AA0 10420 bytes

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