Malicious PDF — malware analysis report

Static analysis result for SHA-256 323c251c8436eecc…

MALICIOUS

PDF

34.2 KB Created: 2020-08-23 03:16:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ff51607aa4856fea5c2f1295713f5336 SHA-1: 899055f243a6d41772ba1ac0b48e65a4b552d5c1 SHA-256: 323c251c8436eecc338450677a73787e151e5222df1333c83b1c63623a299f33
120 Risk Score

Malware Insights

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

The PDF document contains a link farm designed to appear as search engine results, luring users with promises of movie downloads. The primary link redirects to a known malicious domain, ttraff.com, which likely serves as a gateway to further malicious content. No scripts were extracted, but the PDF structure and embedded links strongly indicate a phishing or redirection attack.

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=new+2017+hd+mkv+bollywood+movies
    • http://files.88keys4music.com/uploads/1/3/1/4/131407767/4da55bc673.pdf
    • https://cdn.shopify.com/s/files/1/0462/7372/4576/files/bewiletidururegita.pdf
    • https://cdn.shopify.com/s/files/1/0427/4677/3660/files/beatles_complete_guitar.pdf
    • https://cdn.shopify.com/s/files/1/0433/2634/1272/files/mubabepa.pdf
    • https://cdn.shopify.com/s/files/1/0450/6189/8390/files/86702852930.pdf
    • https://cdn.shopify.com/s/files/1/0432/3393/5519/files/andrea_hirata_sirkus_pohon.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bijalikupuxamimidesedol.pdf
    • https://cdn.shopify.com/s/files/1/0434/5239/9777/files/marketing_plan_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/6662/2101/files/13201528020.pdf
    • https://cdn.shopify.com/s/files/1/0432/6332/8411/files/lifinobukuwimiz.pdf
    • https://cdn.shopify.com/s/files/1/0434/4404/3943/files/17400018102.pdf
    • https://cdn.shopify.com/s/files/1/0431/8396/4324/files/88306792626.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_off000046d3.bin
1fd7e965390f75309e8975872d79d3a00e823ab324cccf9045eddff62412c787		 pdf-font-stream PDF embedded font (sfnt) at offset 0x46D3 5592 bytes
font_01_sfnt_off000059e5.bin
917961460e243b564530bbc3419e22226e741312a7c2e5928afc6c284d3d0bdb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59E5 9964 bytes

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