Malicious PDF — malware analysis report

Static analysis result for SHA-256 a63d66d294df3763…

MALICIOUS

PDF

40.9 KB Created: 2020-08-09 23:27:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 52133dd8462227d4deca242ac5e0fd62 SHA-1: 1dfe23ae9f86a52218a5e5a53f5ac97d4e54c008 SHA-256: a63d66d294df376306ba8b5ec605f6a8f9e207fdbfe9f766c3ab4874231bc9d8
120 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with multiple links pointing to Shopify domains and one critical link to a known malicious redirector at ttraff.ru. This indicates a likely phishing or malware distribution attempt. The document body is heavily obfuscated and contains the malicious URL, suggesting it's part of the lure. No scripts were extracted from this sample.

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.ru/pify?keyword=avid+one+pager+template+pdf
    • http://files.givinghandsministry.org/uploads/1/3/0/7/130739028/3088357.pdf
    • http://files.sausagedogproductions.com/uploads/1/3/1/4/131454383/nelonigupuruwo-vutosuliso-rakexa.pdf
    • http://luxov.bobvanbreda.com/uploads/1/3/2/8/132816202/kigojodip_lizatubofozawev.pdf
    • http://files.duboischerrier.com/uploads/1/3/1/4/131438353/ce91f31ed75f.pdf
    • https://cdn.shopify.com/s/files/1/0437/2047/4779/files/finurepukozavupodubema.pdf
    • https://cdn.shopify.com/s/files/1/0428/0749/2775/files/92087352224.pdf
    • https://cdn.shopify.com/s/files/1/0431/8671/6830/files/nanemevavaxujifere.pdf
    • https://cdn.shopify.com/s/files/1/0434/3490/1671/files/dauntless_conductive_shock_spine.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89352644259.pdf
    • https://cdn.shopify.com/s/files/1/0429/1903/5033/files/32197168072.pdf
    • https://cdn.shopify.com/s/files/1/0427/6027/4087/files/26159854790.pdf
    • https://cdn.shopify.com/s/files/1/0434/4853/3142/files/manedezesopiwebedugeko.pdf
    • https://cdn.shopify.com/s/files/1/0431/6571/2535/files/17571525180.pdf
    • https://cdn.shopify.com/s/files/1/0430/8841/2836/files/pitikexokajur.pdf
    • https://cdn.shopify.com/s/files/1/0435/3468/0216/files/lemapofanusilasit.pdf
    • https://cdn.shopify.com/s/files/1/0437/3151/7592/files/xoxoxufumifosig.pdf
    • https://cdn.shopify.com/s/files/1/0439/0617/1048/files/marotum.pdf
    • https://cdn.shopify.com/s/files/1/0432/7954/8574/files/2145397615.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_off0000627b.bin
8159bba725af7f6d6826c50f85599229c686f25e438de61b70bfa57f3e3ec260		 pdf-font-stream PDF embedded font (sfnt) at offset 0x627B 5232 bytes
font_01_sfnt_off00007444.bin
b37793d933f98de16e882302136cf37740800554f63e41a1d93dbf0b74dd329c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7444 10216 bytes

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