Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc9f844aa916bf6d…

MALICIOUS

PDF

43.1 KB Created: 2020-08-22 14:12:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 677baef0ca73c5ab998f7b0e73ff25aa SHA-1: b9f0e57a57963272bccc72de6bf89176c6413374 SHA-256: cc9f844aa916bf6d5b8e50979663f3cc2f2e69ef1823dacdb3c5f1651450230b
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a link farm designed to redirect users. The primary redirector URL is 'https://ttraff.ru/pify?keyword=amadeus+movie+notes+answers', which is flagged as malicious. This suggests the document's purpose is to lure users to malicious sites through a chain of redirects, 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.ru/pify?keyword=amadeus+movie+notes+answers
    • http://files.chardoncommunityactionteam.org/uploads/1/3/1/3/131384018/pugotut-newifuniz.pdf
    • http://fofomiw.brattleborocjc.org/uploads/1/3/1/4/131454521/potewi.pdf
    • http://palal.jrpaddon.com/uploads/1/3/1/1/131164250/fifav-kelopali.pdf
    • http://files.nianayoga.com/uploads/1/3/1/4/131407274/nobuzisegu.pdf
    • http://bamiza.lemoulinetcollection.com/uploads/1/3/0/9/130969341/51a37c3d73.pdf
    • https://cdn.shopify.com/s/files/1/0435/3127/2351/files/background_hd_new_2018.pdf
    • https://cdn.shopify.com/s/files/1/0437/8502/7745/files/article_285_labor_code.pdf
    • https://cdn.shopify.com/s/files/1/0434/1969/7303/files/wuzoburijawodinolitidewa.pdf
    • https://cdn.shopify.com/s/files/1/0437/7473/8593/files/acc_cement_annual_report_2018-_19.pdf
    • https://cdn.shopify.com/s/files/1/0443/5856/6044/files/angularjs_tutorial_javatpoint.pdf
    • https://cdn.shopify.com/s/files/1/0431/1161/2572/files/47956070867.pdf
    • https://cdn.shopify.com/s/files/1/0429/5606/2876/files/tezuwigujivodubewomajikub.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/82595467958.pdf
    • https://cdn.shopify.com/s/files/1/0431/0705/7825/files/dubaxaduguxedejasezipes.pdf
    • https://cdn.shopify.com/s/files/1/0432/9986/4734/files/rawutojurirozubaterag.pdf
    • https://cdn.shopify.com/s/files/1/0432/3193/6674/files/xapek.pdf
    • https://cdn.shopify.com/s/files/1/0465/1486/4286/files/whatsapp_status_hdvidz.pdf
    • https://cdn.shopify.com/s/files/1/0428/0313/4627/files/wegutefaretatubagena.pdf
    • https://cdn.shopify.com/s/files/1/0431/1983/7346/files/godevisegirogufafobuzis.pdf
    • https://cdn.shopify.com/s/files/1/0431/1616/7328/files/star_trek_rpg.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_off00006b70.bin
1d9454d5f05969bffdcde57cc2ad6d3cfba6a02f7f805940a92e518dd36eb273
pdf-font-stream PDF embedded font (sfnt) at offset 0x6B70 5080 bytes
font_01_sfnt_off00007cab.bin
ff841dc3dee43a3c4b33936432d981a443dfa6639c69d5d46b4b37bad5a681e1
pdf-font-stream PDF embedded font (sfnt) at offset 0x7CAB 10192 bytes