Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbf89319b69be84e…

MALICIOUS

PDF

38.1 KB Created: 2020-08-11 05:33:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 96047a6766336ee31adef78994e0b58f SHA-1: 69fd869a790ca95398edcda211d4d1067a5744e4 SHA-256: fbf89319b69be84ef1ef832a3e65429b4d5c8414c296257c434d63a0d7c0bdec
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though partially corrupted, includes the URL 'https://ttraff.cc/pify?keyword=spiderman+theme+song+piano+pdf', suggesting a lure to a malicious site. The presence of a link farm further supports the malicious intent, likely for phishing or malware distribution.

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=spiderman+theme+song+piano+pdf
    • http://files.counsellinggoldcoast.com.au/uploads/1/3/1/0/131069812/dinebinasunobonozu.pdf
    • http://files.calvarybaptist.be/uploads/1/3/1/6/131607683/d98f4d371fcd7c.pdf
    • http://kiviz.dublinarabicfilmfestival.com/uploads/1/3/2/7/132712109/fijosiworisu-velenise-pubimokaxorijan.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99324429390.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/54058680795.pdf
    • https://cdn.shopify.com/s/files/1/0445/6959/1967/files/97658985661.pdf
    • https://cdn.shopify.com/s/files/1/0427/4143/2487/files/chromatography_articles.pdf
    • https://cdn.shopify.com/s/files/1/0438/2870/7488/files/a_1240ss_as.pdf
    • https://cdn.shopify.com/s/files/1/0438/0744/1053/files/fundamental_approaches_to_the_management_of_cardiac_arrhythmias.pdf
    • https://cdn.shopify.com/s/files/1/0429/7215/1959/files/ruvowonegaxuxerom.pdf
    • https://cdn.shopify.com/s/files/1/0430/3332/9817/files/forged_steel_wow_classic.pdf
    • https://cdn.shopify.com/s/files/1/0434/2457/9736/files/34698385224.pdf
    • https://cdn.shopify.com/s/files/1/0434/5351/3894/files/lotubopabuxaf.pdf
    • https://cdn.shopify.com/s/files/1/0435/6908/6619/files/pevupozosebovilago.pdf
    • https://cdn.shopify.com/s/files/1/0433/2388/3688/files/sample_occupational_therapy_soap_note.pdf
    • https://cdn.shopify.com/s/files/1/0428/3128/2335/files/61085601610.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_off0000560e.bin
69a3de66b56f88adce2dc8d005e096783e2d6342f0f2e70173f287925c9f9094		 pdf-font-stream PDF embedded font (sfnt) at offset 0x560E 5524 bytes
font_01_sfnt_off000068aa.bin
de4a895d5ee25f2b3d3b54aae4bd27af8a2854404c90aaab71bf32adcb71f7b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68AA 10216 bytes

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