Malicious PDF — malware analysis report

Static analysis result for SHA-256 bad5baa01fb10135…

MALICIOUS

PDF

42.8 KB Created: 2020-08-26 17:58:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 415d4d5d003daf9c5e0109625694d5f5 SHA-1: 1da012f100ee9382b49e1f6e5b09c452ae7f9159 SHA-256: bad5baa01fb10135cd533a0312dba0ddb00e59edc4f7e5001a989203087b5c0a
128 Risk Score

Malware Insights

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

The PDF file contains a heuristic match for a malicious redirector link and a link farm, suggesting a phishing or scam attempt. The document body, though partially corrupted, contains text related to 'canvas template excel' and embedded URLs, reinforcing the lure. The primary malicious URL identified is https://ttraff.com/pify?keyword=canvas+template+excel, which likely leads to further malicious content. No scripts were extracted from this sample.

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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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.com/pify?keyword=canvas+template+excel
    • http://vomapaxa.roxannesmith.ca/uploads/1/3/2/7/132740214/mujefedeko.pdf
    • http://files.post111stl.com/uploads/1/3/1/4/131409508/8ecf3b32fad.pdf
    • http://files.support.famhealth.com/uploads/1/3/1/4/131437740/3357936.pdf
    • http://files.christiantales.com/uploads/1/3/2/6/132682076/1cc30a204f.pdf
    • http://files.moorea-ucb.org/uploads/1/3/1/3/131379183/nesaninenam_pilosax_nanifujit.pdf
    • https://cdn.shopify.com/s/files/1/0436/0785/1171/files/18055916736.pdf
    • https://cdn.shopify.com/s/files/1/0433/9643/2021/files/kavuj.pdf
    • https://cdn.shopify.com/s/files/1/0434/3129/7185/files/39271709244.pdf
    • https://cdn.shopify.com/s/files/1/0450/4292/5726/files/amazing_grace_violin_music_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0433/5498/0505/files/58787337276.pdf
    • https://cdn.shopify.com/s/files/1/0463/7832/0027/files/3841967173.pdf
    • https://cdn.shopify.com/s/files/1/0434/9722/6402/files/34989161877.pdf
    • https://cdn.shopify.com/s/files/1/0435/9231/9138/files/25129911534.pdf
    • https://cdn.shopify.com/s/files/1/0435/3861/2378/files/nuvinamo.pdf
    • https://cdn.shopify.com/s/files/1/0432/4527/3251/files/33263309691.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_off00006a55.bin
bd4d1d4bf7320bad819bea75442a30d1b04e70c215df0794ace6a7b34802bcf2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A55 5016 bytes
font_01_sfnt_off00007b5a.bin
a5e93bd55c87b540b075b73f168088f6851bef2738ce27148d273a48ce359fcf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B5A 10332 bytes

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