Malicious PDF — malware analysis report

Static analysis result for SHA-256 56067878385d4d93…

MALICIOUS

PDF

39.3 KB Created: 2020-08-12 14:52:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 40fd48365f5b364b7685010dfd964497 SHA-1: e1c58209d1c1b81a666d5b3cc1c369741a1e7096 SHA-256: 56067878385d4d93eeebaef803a24c7cb781d02b28ac2dd2884f82fee23c5a10
120 Risk Score

Malware Insights

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

The PDF file contains a link farm designed to manipulate search engine results, directing users to a malicious redirector at 'https://ttraff.ru/pify?keyword=call+and+put+options+examples+pdf'. This suggests a phishing or scam attempt, likely using SEO poisoning tactics to distribute malicious content. No scripts were extracted, limiting the analysis of direct payload delivery mechanisms.

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=call+and+put+options+examples+pdf
    • http://files.birgitschinke.com/uploads/1/3/1/3/131397934/kapumokujitusu_vawamudu_masok_musiwagesa.pdf
    • http://goxulina.angardencentre.co.nz/uploads/1/3/2/6/132681647/nukut.pdf
    • http://zerokijot.rasa-music.com/uploads/1/3/0/8/130814328/jixujixo.pdf
    • http://fezepen.dmlcommunications.com/uploads/1/3/1/6/131606122/bositaresodudoxewuz.pdf
    • https://cdn.shopify.com/s/files/1/0430/9689/9733/files/56130773548.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rosetotirumeza.pdf
    • https://cdn.shopify.com/s/files/1/0448/6771/5234/files/jack_lalanne_power_juicer_pro.pdf
    • https://cdn.shopify.com/s/files/1/0430/4843/5861/files/wadedojatigefulisitugu.pdf
    • https://cdn.shopify.com/s/files/1/0431/6938/2557/files/24567973375.pdf
    • https://cdn.shopify.com/s/files/1/0428/7810/7811/files/sevipiw.pdf
    • https://cdn.shopify.com/s/files/1/0433/4708/3429/files/9281552308.pdf
    • https://cdn.shopify.com/s/files/1/0431/6925/1487/files/79222630440.pdf
    • https://cdn.shopify.com/s/files/1/0430/4545/3985/files/10160231428.pdf
    • https://cdn.shopify.com/s/files/1/0433/0127/3758/files/94061295363.pdf
    • https://cdn.shopify.com/s/files/1/0435/4310/1591/files/newogazazavolabanokuzev.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_off00005d5a.bin
c806db8ec7a8b967db6febc9b1d07b43ab3cf77122b5b9e357b6cb5fbb116199		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D5A 5064 bytes
font_01_sfnt_off00006e87.bin
42c8b15f8108cb3ae6c27e9610bbd49cc30199a8a7f65dc5551610a36b5a8b95		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E87 9940 bytes

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