Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa8b3cfd2f59faf5…

MALICIOUS

PDF

48.4 KB Created: 2020-08-03 15:42:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 776d737f0f29daf46b579b562d5fc4cc SHA-1: c523b67275163c03e0e012d8c66383037dfe8b11 SHA-256: fa8b3cfd2f59faf5bcb6b111a9646c699b50473af38ee2f42ce084e2be7685f7
120 Risk Score

Malware Insights

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

The PDF contains a link farm and a direct link to a known malicious redirector, indicating a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains text related to technical aspects of alcoholic beverages, likely used as a lure. The presence of numerous links to external PDFs, many hosted on Shopify, suggests an attempt to create a link farm for SEO manipulation or to distribute further malicious content.

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=handbook+of+alcoholic+beverages+technical+analytical+and+nutritional+aspects+pdf
    • http://files.szuyunwang.com/uploads/1/3/1/4/131407227/zesexizugeseriw-lovujexose.pdf
    • http://files.rockabuybaby.shop/uploads/1/3/2/6/132695244/ed7098c291844c.pdf
    • http://files.southtownscatholic.org/uploads/1/3/1/6/131636990/3996155.pdf
    • http://files.annasaoc.com/uploads/1/3/1/8/131872198/bd91fad.pdf
    • http://files.papanoelstore.com/uploads/1/3/1/4/131438510/bazisomuju.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1028728638.pdf
    • https://cdn.shopify.com/s/files/1/0429/8624/2209/files/wanevemawuwuriremuz.pdf
    • https://cdn.shopify.com/s/files/1/0432/5769/2320/files/lufesur.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/3294478915.pdf
    • https://cdn.shopify.com/s/files/1/0431/6053/5196/files/kotona.pdf
    • https://cdn.shopify.com/s/files/1/0427/6623/7852/files/59845797741.pdf
    • https://cdn.shopify.com/s/files/1/0432/0693/4688/files/42661601566.pdf
    • https://cdn.shopify.com/s/files/1/0439/8543/6830/files/34504350665.pdf
    • https://cdn.shopify.com/s/files/1/0431/1767/4656/files/gudenuzulejolejoniwo.pdf
    • https://cdn.shopify.com/s/files/1/0435/9382/6467/files/xafek.pdf
    • https://cdn.shopify.com/s/files/1/0433/8837/1107/files/5327810270.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_off00007c1f.bin
4a0d581b902e8ee058a72f73f3c86b3e4ac0cc5a1fe549f09c14fb602b204651		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C1F 5744 bytes
font_01_sfnt_off00008fb9.bin
3655f4835f7a5d9b6f63934e9e9181a8ca921a5225102a8523f704a7e3353590		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8FB9 10608 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.