Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9b69e911ec92a42…

MALICIOUS

PDF

40.6 KB Created: 2020-08-08 13:24:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 779771aff9b91c3f0b0e4f5fd9c58dcf SHA-1: 1063b897ffd24891e38238097ee5e4d64aa248a7 SHA-256: d9b69e911ec92a42027ae32299f4f85cebeffd1d079cc3d2287b072f247da1c1
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'achievement oriented leadership pdf' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of numerous links, many hosted on cdn.shopify.com, indicates a link farm designed to obscure the ultimate destination.

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=achievement+oriented+leadership+pdf
    • http://files.wearekids.org/uploads/1/3/2/6/132681460/2655091.pdf
    • http://files.brooksidepineriver.com/uploads/1/3/1/4/131406149/tagexukemu-tafut-pemig-xurolupigerid.pdf
    • http://files.stockporttherapy.com/uploads/1/3/1/4/131453950/841701.pdf
    • https://cdn.shopify.com/s/files/1/0440/1748/3934/files/joxupo.pdf
    • https://cdn.shopify.com/s/files/1/0428/4504/4892/files/basic_concepts_and_first_law_of_thermodynamics.pdf
    • https://cdn.shopify.com/s/files/1/0427/6781/0726/files/zelusobumesurupeke.pdf
    • https://cdn.shopify.com/s/files/1/0434/6786/6278/files/vowojiwofemapezeb.pdf
    • https://cdn.shopify.com/s/files/1/0432/1175/1588/files/23355745789.pdf
    • https://cdn.shopify.com/s/files/1/0428/5677/5839/files/fajatenebuf.pdf
    • https://cdn.shopify.com/s/files/1/0433/4914/7803/files/ziporinutemu.pdf
    • https://cdn.shopify.com/s/files/1/0438/9850/3336/files/13732358136.pdf
    • https://cdn.shopify.com/s/files/1/0440/7522/1157/files/namezukirigupesosepe.pdf
    • https://cdn.shopify.com/s/files/1/0431/9582/6336/files/27240535652.pdf
    • https://cdn.shopify.com/s/files/1/0434/6360/6429/files/the_slug_menace.pdf
    • https://cdn.shopify.com/s/files/1/0435/1311/8872/files/jeviwejegitebuxi.pdf
    • https://cdn.shopify.com/s/files/1/0431/9812/0096/files/nusijewulerizodofufexuzu.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_off00006189.bin
c96e915fa5b559d2ec6357f52948f3f6472fd1ae24bfccf5004f224796e1c58a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6189 5444 bytes
font_01_sfnt_off000073e6.bin
ffa738902929884b70cab204441ff1a33cbaa6b7d1f35566bb12b78a9c3159fa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73E6 9836 bytes

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