Malicious PDF — malware analysis report

Static analysis result for SHA-256 bce0c35de2cec17d…

MALICIOUS

PDF

43.7 KB Created: 2020-08-02 20:59:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 91739d711c93c89a9abe359fee712220 SHA-1: f539c80a7eafaa5c2325351dc73efd376b0b646b SHA-256: bce0c35de2cec17d22b4efb2a56d347721d56692407810e0f7b52d8bada55e00
120 Risk Score

Malware Insights

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

The PDF document contains a significant number of embedded links, many of which point to a redirector service. The document body mentions 'Godaddy smtp settings', suggesting a lure to trick users into clicking the malicious link. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to further malicious 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.cc/pify?keyword=godaddy+smtp+settings
    • http://files.spiritandtruthchurch.net/uploads/1/3/0/7/130739155/motofatipo_rojas_nugaguda.pdf
    • http://files.bioscienceessentials2brn.com/uploads/1/3/1/1/131163684/fitegog_sazudu_wexefaxuzemib_nesasaketa.pdf
    • http://files.alinoraboutique.com/uploads/1/3/1/4/131409909/70d04.pdf
    • http://files.thepattniconsultancy.com/uploads/1/3/0/9/130969116/5528838.pdf
    • https://cdn.shopify.com/s/files/1/0429/0091/4343/files/96353738455.pdf
    • https://cdn.shopify.com/s/files/1/0430/1658/5379/files/90882845735.pdf
    • https://cdn.shopify.com/s/files/1/0440/5015/3622/files/bebifuxowiloponelevilila.pdf
    • https://cdn.shopify.com/s/files/1/0432/5569/3470/files/malijewosokoxikumodul.pdf
    • https://cdn.shopify.com/s/files/1/0431/1423/4016/files/zettili_quantum_mechanics.pdf
    • https://cdn.shopify.com/s/files/1/0430/4296/3613/files/22000719777.pdf
    • https://cdn.shopify.com/s/files/1/0437/1303/6439/files/nuses.pdf
    • https://cdn.shopify.com/s/files/1/0433/7133/1742/files/xoriwujika.pdf
    • https://cdn.shopify.com/s/files/1/0433/0805/6740/files/xumumuzawew.pdf
    • https://cdn.shopify.com/s/files/1/0437/5488/1185/files/custom_slack_emoji.pdf
    • https://cdn.shopify.com/s/files/1/0428/6968/6431/files/jumag.pdf
    • https://cdn.shopify.com/s/files/1/0435/2940/4567/files/72003112366.pdf
    • https://cdn.shopify.com/s/files/1/0429/6579/4965/files/buxewofovumowafinu.pdf
    • https://cdn.shopify.com/s/files/1/0430/9221/3911/files/gofepure.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_off00006487.bin
f3208c3e84374fba9b1c014f8649f02ba9ddf5470817e9841b87102e2562fb4d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6487 5284 bytes
font_01_sfnt_off00007681.bin
28747a6e6f505a1ee9dc57c2f01d08565f83c6bc3b98642885faac9f9e243de0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7681 13736 bytes

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