Malicious PDF — malware analysis report

Static analysis result for SHA-256 47384d958f38568a…

MALICIOUS

PDF

44.4 KB Created: 2020-07-30 16:05:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 65415e142042e0ae95a22a31d58cc64d SHA-1: b09d0906d30d12148f2cde069ffb44e7ac110e67 SHA-256: 47384d958f38568a07d8fae490d8dfc605613a87a2a098237af7baeeb8544afe
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with a critical heuristic identifying a malicious redirector. The document body, though heavily obfuscated, suggests a lure related to a 'pathology report sample pdf'. The presence of a link farm further indicates an attempt to obscure the final malicious destination, likely a phishing or malware distribution site.

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=pathology+report+sample+pdf
    • http://files.foundationschurch.com/uploads/1/3/0/7/130739340/bedil-tefegugawi-gujarovovupimol.pdf
    • http://files.tacticaltorture.com/uploads/1/3/1/1/131164556/3701419.pdf
    • http://files.abckidstherapy.com/uploads/1/3/2/7/132740584/dizoluraded-nomazafojitin.pdf
    • http://files.streetdreamcreations.com/uploads/1/3/1/4/131407898/af6f69.pdf
    • http://files.streetdreamcreations.com/uploads/1/3/1/4/13
    • https://cdn.shopify.com/s/files/1/0429/4891/9450/files/nogigunebazuj.pdf
    • https://cdn.shopify.com/s/files/1/0440/1315/8565/files/59207323254.pdf
    • https://cdn.shopify.com/s/files/1/0435/5496/3617/files/80787634819.pdf
    • https://cdn.shopify.com/s/files/1/0434/7107/7542/files/dutesegumafoj.pdf
    • https://cdn.shopify.com/s/files/1/0431/5735/6710/files/nazagom.pdf
    • https://cdn.shopify.com/s/files/1/0439/0410/6651/files/70725789584.pdf
    • https://cdn.shopify.com/s/files/1/0430/5072/9634/files/bimujozenolobawid.pdf
    • https://cdn.shopify.com/s/files/1/0432/6732/6110/files/70470604630.pdf
    • https://cdn.shopify.com/s/files/1/0432/2626/7806/files/38940964170.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nubizasijimowedemo.pdf
    • https://cdn.shopify.com/s/files/1/0437/0835/0615/files/leragixosopiradibazavo.pdf
    • https://cdn.shopify.com/s/files/1/0434/6868/5464/files/wufosem.pdf
    • https://cdn.shopify.com/s/files/1/0430/2936/4889/files/figokedovin.pdf
    • https://www.cancer.gov/coronavirus
    • 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_off00007072.bin
9fb165f484a25188e0a0e15dbf4bb87930c794be5ba4362e5c349542850790fb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7072 5192 bytes
font_01_sfnt_off00008223.bin
cdd0d7c09c14d530b7d535ed46c2ea5354b4da20e14a61b609ae0907e8f45dad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8223 10100 bytes

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