Malicious PDF — malware analysis report

Static analysis result for SHA-256 4aa8cf7012672ac6…

MALICIOUS

PDF

49.2 KB Created: 2020-08-11 09:51:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 780959c4248068c6e422f96f1f62be59 SHA-1: 5777ac5404c631417bfb5e5856a1aaecc44b38e1 SHA-256: 4aa8cf7012672ac61204446b665b3ba47dd9e581c0c4b7e946e80f3e7633b1c7
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external PDFs hosted on various domains. One critical heuristic firing indicates that the PDF links to a known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=metodos+anticonceptivos+pdf+colombia'. This suggests the document is designed to redirect users to malicious sites, likely for phishing or malware distribution. No scripts were extracted from this sample.

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.com/pify?keyword=metodos+anticonceptivos+pdf+colombia
    • http://vowifo.loopersound.com/uploads/1/3/0/9/130969061/mijuvasixo-pusilaburi-vosunagewor.pdf
    • http://files.graceub.com/uploads/1/3/2/6/132681404/6733747.pdf
    • http://files.thesanctuaryatmn.com/uploads/1/3/1/8/131856184/d83262d07.pdf
    • http://files.olordmentoring.org/uploads/1/3/1/4/131454500/1396066.pdf
    • https://cdn.shopify.com/s/files/1/0428/1411/1903/files/92324885877.pdf
    • https://cdn.shopify.com/s/files/1/0432/7384/6952/files/piscicultura_familiar_no_amazonas.pdf
    • https://cdn.shopify.com/s/files/1/0432/0342/8510/files/zamiruvazebejinawenepa.pdf
    • https://cdn.shopify.com/s/files/1/0429/5272/0543/files/dafafuruv.pdf
    • https://cdn.shopify.com/s/files/1/0428/2767/7852/files/75938916840.pdf
    • https://cdn.shopify.com/s/files/1/0434/4119/3127/files/quality_data_analysis.pdf
    • https://cdn.shopify.com/s/files/1/0437/3653/1095/files/physiopathologie_de_l_appareil_respiratoire.pdf
    • https://cdn.shopify.com/s/files/1/0432/7152/0414/files/uninstall_mysql_from_mac.pdf
    • https://cdn.shopify.com/s/files/1/0432/0965/4434/files/batobebezolizimudet.pdf
    • https://cdn.shopify.com/s/files/1/0431/6508/9941/files/sivinirazarelo.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_off00007f9a.bin
e721345f8f7b05f47b7348ae28702188bdcc3592ad7572b9a0901e1b4a9e8766		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F9A 5412 bytes
font_01_sfnt_off00009201.bin
b33453ee1e6e9e249ea33e144804bbf30cabdf8977a75c13983ad70c4f72f201		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9201 11052 bytes

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