Malicious PDF — malware analysis report

Static analysis result for SHA-256 dab33dc2f7d0d04c…

MALICIOUS

PDF

43.4 KB Created: 2020-09-10 14:20:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 41070487f534058e26388dd790bf3571 SHA-1: 181c5fc832a84a939b1403e36f20caa805685c3e SHA-256: dab33dc2f7d0d04ce60b0f90bf28e5adf2804ee111656bcbaa5cd2a331339f92
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic indicating it links to known malicious redirector infrastructure. The document body and embedded URLs suggest a lure related to employment guidelines, directing users to a URL that appears to be part of a link farm. The primary malicious URL is ttraff.me, which is used to redirect users to potentially harmful content.

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.me/wix?keyword=fannie+mae+guidelines+for+gap+of+employment
    • http://zevodib.almaturner.com/uploads/1/3/1/6/131637432/danos-kafiwewozejim-javadorusijodix.pdf
    • http://vigelan.ecorawstudio.com/uploads/1/3/2/8/132814930/9761009.pdf
    • https://cdn.shopify.com/s/files/1/0436/1709/1744/files/nivekevitid.pdf
    • https://cdn.shopify.com/s/files/1/0432/0660/7012/files/14085341944.pdf
    • https://cdn.shopify.com/s/files/1/0457/5510/5436/files/redundancy_selection_criteria_matrix_template_australia.pdf
    • https://cdn.shopify.com/s/files/1/0448/9386/4091/files/best_lottery_website_templates.pdf
    • https://cdn.shopify.com/s/files/1/0431/8930/5501/files/thomson_martinet_a_practical_english_grammar_exercises_1_pdf.pdf
    • https://cdn.shopify.com/s/files/1/0434/7658/2552/files/juwagikasulesanatamu.pdf
    • https://cdn.shopify.com/s/files/1/0431/4362/6912/files/zonakul.pdf
    • https://cdn.shopify.com/s/files/1/0433/8099/8298/files/bosafumixalitilisosusi.pdf
    • https://cdn.shopify.com/s/files/1/0434/4106/2040/files/95675733112.pdf
    • https://cdn.shopify.com/s/files/1/0430/6635/9962/files/42846120520.pdf
    • https://cdn.shopify.com/s/files/1/0431/6443/4592/files/17907512460.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005cf8.bin
f15d8ecb1d8f12731ad40103e0edeb02d8005d058335629448126bbb5aaa9d62		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CF8 5300 bytes
font_01_sfnt_off00006ef3.bin
c51e30d7d691aa4027929b94670a4e053b98b3fecb1c19a11cdc441841076555		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6EF3 10676 bytes
font_02_sfnt_off00009296.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9296 4324 bytes

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