Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff84593a2adfc5be…

MALICIOUS

PDF

35.3 KB Created: 2020-08-13 01:04:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 670339967345babd9f4ad311b1e279ce SHA-1: 7cb7c37843524188ac74439838cb453f5b51d394 SHA-256: ff84593a2adfc5befe91d47098d329cd9f1b6b4196c31f4e72d99d6af46e0782
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'https://ttraff.cc/pify?keyword=business+law+today+pdf+free'. This indicates a phishing or scam attempt disguised as a business law document. The document body itself is heavily obfuscated but contains the malicious URL, reinforcing the lure. No scripts were extracted, limiting the analysis of further payload delivery or execution.

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=business+law+today+pdf+free
    • http://files.pl3photosnouveauregard.ca/uploads/1/3/1/3/131379217/tonusexo.pdf
    • http://files.myangeliques.com/uploads/1/3/0/7/130740524/548aaa5a.pdf
    • http://files.miseeiresaratoga.com/uploads/1/3/1/4/131437683/2201604.pdf
    • http://files.somethingforsam.com/uploads/1/3/1/3/131384656/3756984.pdf
    • http://nomajodof.mossmusicnews.org/uploads/1/3/0/9/130969868/lejagele_gawega_romat_dopatimu.pdf
    • https://cdn.shopify.com/s/files/1/0429/4184/1571/files/menegibaleroxulijumumi.pdf
    • https://cdn.shopify.com/s/files/1/0428/9373/8143/files/28715026079.pdf
    • https://cdn.shopify.com/s/files/1/0435/2344/0804/files/65416591278.pdf
    • https://cdn.shopify.com/s/files/1/0434/7917/1222/files/vokivi.pdf
    • https://cdn.shopify.com/s/files/1/0428/2282/8198/files/child_immunization_chart.pdf
    • https://cdn.shopify.com/s/files/1/0432/0778/6657/files/sipoza.pdf
    • https://cdn.shopify.com/s/files/1/0429/3325/6345/files/o_que__liberalismo.pdf
    • https://cdn.shopify.com/s/files/1/0443/8809/0022/files/88518168109.pdf
    • https://cdn.shopify.com/s/files/1/0433/6995/5486/files/56796604159.pdf
    • https://cdn.shopify.com/s/files/1/0433/5783/1326/files/32029881597.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66916333827.pdf
    • https://cdn.shopify.com/s/files/1/0440/3891/4213/files/78348152883.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_off00004959.bin
145902f8d4d9a2f0dbc955df3cc1f38e7cef662aeb471fd55627b17edb70c0cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4959 5276 bytes
font_01_sfnt_off00005b73.bin
fac787f7e223301e970ed92d0e1c459ed2fbc7c5170e5b437bf2e559ae569026		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B73 10388 bytes

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