Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc89009f1d364ef4…

MALICIOUS

PDF

49.8 KB Created: 2020-07-28 10:00:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 721eb532eefd816581c1cffb3c014a9d SHA-1: e553efebf221854ed92b464970819b10c947c6ff SHA-256: bc89009f1d364ef4028c612b334caae4199893e9554416198d0d907aa38c5afb
128 Risk Score

Malware Insights

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

The PDF file contains heuristics indicating it is a malicious redirector and a link farm. The document body, though heavily obfuscated, suggests a lure related to a 'customer experience journey mapping template'. The primary malicious IOC is a URL pointing to a redirector service, which likely leads to further malicious content. The presence of numerous embedded links, many hosted on Shopify, suggests an attempt to distribute malicious content broadly.

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=customer+experience+journey+mapping+template
    • http://files.roomsrevamped.com/uploads/1/3/1/4/131483719/zapirure_difitibezeg.pdf
    • http://files.mistoryfox.com/uploads/1/3/1/0/131070166/seguzadavowa-tevenomugaxafu.pdf
    • http://files.lakesidevikingband.com/uploads/1/3/1/6/131636954/0fdb90c5d9.pdf
    • http://files.thechinahustle.us/uploads/1/3/0/7/130739918/7809409.pdf
    • http://files.pdxfastpitch.com/uploads/1/3/1/3/131379266/a7408d7a8c8c.pdf
    • https://cdn.shopify.com/s/files/1/0431/3343/6066/files/801545594.pdf
    • https://cdn.shopify.com/s/files/1/0434/0973/5845/files/95869997086.pdf
    • https://cdn.shopify.com/s/files/1/0430/1455/3763/files/sakixarijunawofamosuxek.pdf
    • https://cdn.shopify.com/s/files/1/0433/8050/6791/files/97160836871.pdf
    • https://cdn.shopify.com/s/files/1/0435/0686/0187/files/90501424584.pdf
    • https://cdn.shopify.com/s/files/1/0431/2032/8853/files/monatigomuketimokukix.pdf
    • https://cdn.shopify.com/s/files/1/0428/9216/5279/files/fiberojuzijagitomakuw.pdf
    • https://cdn.shopify.com/s/files/1/0431/4906/6397/files/15885743575.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81603963226.pdf
    • https://cdn.shopify.com/s/files/1/0427/9785/8972/files/wawiweliwij.pdf
    • https://cdn.shopify.com/s/files/1/0431/4837/8280/files/lesidurodivitogovigeluwep.pdf
    • https://cdn.shopify.com/s/files/1/0427/9376/2975/files/62941584871.pdf
    • https://cdn.shopify.com/s/files/1/0429/6340/2905/files/59305411425.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/
    • https://cdn.shopify.com/s/files/1/0430/14

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008529.bin
2b2d74723237282acc9942589885f303cd53b8c25e4a5283e515998afcabd0f8
pdf-font-stream PDF embedded font (sfnt) at offset 0x8529 5404 bytes
font_01_sfnt_off0000978b.bin
18eba497a25f8ac04273ae0e9a7a068c9ccddb034bb4aac3484aed42c185e5e0
pdf-font-stream PDF embedded font (sfnt) at offset 0x978B 9952 bytes