Malicious PDF — malware analysis report

Static analysis result for SHA-256 22f1e8ba55c5d39d…

MALICIOUS

PDF

42.8 KB Created: 2020-08-23 13:06:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ab94dd3be74e784d8d743faa94c4a67c SHA-1: c917058c96f21daf542ffb4cbfbed0250d94f0a4 SHA-256: 22f1e8ba55c5d39d79c13b4fc02bbbf29c417372101f44b7b9da2dc8c0ad5065
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a critical heuristic indicating it's a malicious redirector link, pointing to `https://ttraff.ru/pify?keyword=moviescounter+kabir+singh+movie`. Additionally, it exhibits characteristics of a PDF link farm, with numerous links hosted on `cdn.shopify.com`. The presence of a 'download button' lure further supports a malicious intent to redirect users to potentially harmful content. No scripts were extracted, limiting the analysis of specific execution behaviors.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.ru/pify?keyword=moviescounter+kabir+singh+movie
    • http://bepel.jaystextiles.com/uploads/1/3/2/3/132302780/nujazolaxezisotebeg.pdf
    • https://cdn.shopify.com/s/files/1/0434/3414/7989/files/31367556325.pdf
    • https://cdn.shopify.com/s/files/1/0440/6099/9830/files/29142937382.pdf
    • https://cdn.shopify.com/s/files/1/0432/1997/6350/files/petewanaxapupazafot.pdf
    • https://cdn.shopify.com/s/files/1/0432/4094/7880/files/poesia_trovadoresca_cantigas_de_amigo.pdf
    • https://cdn.shopify.com/s/files/1/0433/6176/3480/files/rufed.pdf
    • https://cdn.shopify.com/s/files/1/0431/2521/1298/files/jizojilewotitegavut.pdf
    • https://cdn.shopify.com/s/files/1/0459/0210/2682/files/nedizofuroxemadofuxudoju.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vakijuxek.pdf
    • https://cdn.shopify.com/s/files/1/0433/4295/4651/files/34671778844.pdf
    • https://cdn.shopify.com/s/files/1/0438/2274/3712/files/chemguide_dehydration_alcohols.pdf
    • https://cdn.shopify.com/s/files/1/0439/9307/1774/files/mekugepolosotomor.pdf
    • https://cdn.shopify.com/s/files/1/0437/9744/6816/files/lista_de_anlise_combinatria.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_off0000698c.bin
df7af90f5d810ae0a5d4593273a40f3f11cbe88f17a8cfeaf511aeb4d4e37d97		 pdf-font-stream PDF embedded font (sfnt) at offset 0x698C 5452 bytes
font_01_sfnt_off00007bfb.bin
04af1988c6b99246658e6c306842d08637380009c7c2743fa5845c1ccb560eb6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7BFB 10128 bytes

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