Malicious PDF — malware analysis report

Static analysis result for SHA-256 fda4c74251da867b…

MALICIOUS

PDF

68.6 KB Created: 2020-08-20 23:00:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c48bcec16a55b3f0d095943bda2a7299 SHA-1: 700d00b126e448284a4c4dffe5178d7ecda5756f SHA-256: fda4c74251da867b4a46913e964fb9bb7bf6ad8c8348aae5c1e615d06c39acad
150 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=brookstone+pocket+projector+slim+manual'. This URL is presented within the document body, disguised as a product manual link, to entice users to click. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, further supporting a malicious intent to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=brookstone+pocket+projector+slim+manual
    • http://tunen.thenewtoncountyfair.com/uploads/1/3/1/0/131070152/letela.pdf
    • http://lusixas.bethanymiraclevillage.org/uploads/1/3/0/7/130776054/871251.pdf
    • http://todudixe.hilliardbradleyfootball.com/uploads/1/3/2/6/132695569/foxukaxuwa.pdf
    • http://files.marystromerhanson.com/uploads/1/3/0/7/130739947/715126.pdf
    • https://cdn.shopify.com/s/files/1/0429/1251/4201/files/fuditoz.pdf
    • https://cdn.shopify.com/s/files/1/0430/6003/5735/files/sopisesepopu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vejumilaro.pdf
    • https://cdn.shopify.com/s/files/1/0434/0000/3749/files/5624194259.pdf
    • https://cdn.shopify.com/s/files/1/0429/8804/4442/files/20962388991.pdf
    • https://cdn.shopify.com/s/files/1/0435/5915/7921/files/oxford_picture_dictionary_english_spanish.pdf
    • https://cdn.shopify.com/s/files/1/0435/3271/4139/files/bluegrass_gospel_songbook.pdf
    • https://cdn.shopify.com/s/files/1/0433/6504/0286/files/43079157242.pdf
    • https://cdn.shopify.com/s/files/1/0430/1442/2687/files/getomebopenuda.pdf
    • https://cdn.shopify.com/s/files/1/0431/4651/0504/files/desozuzomop.pdf
    • https://cdn.shopify.com/s/files/1/0427/5362/2182/files/arsenic_toxicity_and_potential_mechanisms_of_action.pdf
    • https://cdn.shopify.com/s/files/1/0429/9476/1877/files/82284512408.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_off0000c1be.bin
084b831fb56c39f423738b6042c7fe34b66edad0b091b1672a7300d9673932ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC1BE 5268 bytes
font_01_sfnt_off0000d38f.bin
3c95300c4dde393c8a9b06f9c25c3343cb24f944b5c14d8c998b92cf036b5e83		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD38F 15904 bytes

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