Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d0439382e09576f…

MALICIOUS

PDF

53.0 KB Created: 2020-08-03 09:05:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 663dca0e5744e81f2df457bcbb6572e9 SHA-1: 633a0eac609ef4c201eb94e961112a2cbd6cdae5 SHA-256: 8d0439382e09576f72a1d7bee7bbd69da2e6d398da4c17e12be42a3fd6db95dc
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one identified as a malicious redirector. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates that the link `https://ttraff.cc/pify?keyword=megan+rock+of+love+2` leads to known malicious infrastructure. Additionally, the PDF_SEO_LINK_FARM heuristic suggests a large number of external links, many pointing to Shopify domains, likely intended to obscure the malicious redirector. The document body contains garbled text but includes the malicious URL, suggesting an attempt to lure users to a harmful site.

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.cc/pify?keyword=megan+rock+of+love+2
    • http://files.selkicasarpg.com/uploads/1/3/1/6/131637057/8beeecc57.pdf
    • http://files.gopherband.org/uploads/1/3/0/7/130776239/kaven-renewaf.pdf
    • http://files.allforkidscenter.com/uploads/1/3/0/7/130739212/raxisojip.pdf
    • https://cdn.shopify.com/s/files/1/0429/8817/5513/files/84099116392.pdf
    • https://cdn.shopify.com/s/files/1/0433/9014/0581/files/51774319642.pdf
    • https://cdn.shopify.com/s/files/1/0427/8580/0358/files/introduction_to_matlab_for_engineers.pdf
    • https://cdn.shopify.com/s/files/1/0433/7994/9718/files/relolojugu.pdf
    • https://cdn.shopify.com/s/files/1/0434/5135/1207/files/1660393583.pdf
    • https://cdn.shopify.com/s/files/1/0434/8719/9394/files/39789166945.pdf
    • https://cdn.shopify.com/s/files/1/0428/6346/0508/files/75405544507.pdf
    • https://cdn.shopify.com/s/files/1/0433/7103/6823/files/mukumiboresalosex.pdf
    • https://cdn.shopify.com/s/files/1/0432/2561/2450/files/zulitefutabakawer.pdf
    • https://cdn.shopify.com/s/files/1/0440/3625/9990/files/dmv_california_practice_test_2016.pdf
    • https://cdn.shopify.com/s/files/1/0432/2027/1264/files/kofisatovogopoki.pdf
    • https://cdn.shopify.com/s/files/1/0430/5820/0725/files/najubimisolufupedevo.pdf
    • https://cdn.shopify.com/s/files/1/0428/8462/8633/files/pevivu.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000077ea.bin
16f712996489de5f277c830a78f5363a6891215221b5538d67287239084f7065		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77EA 4792 bytes
font_01_sfnt_off00008847.bin
99ca08574c0f61703d69c95e98248c5d024aef0632fe13605c1c1e389329cf25		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8847 2744 bytes
font_02_sfnt_off000093f1.bin
e29640e07c83950fddce68fa11d16752e7b6ec134ddf01ebef055f2b90263edb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x93F1 10260 bytes
font_03_sfnt_off0000b70f.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB70F 4324 bytes

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