Malicious PDF — malware analysis report

Static analysis result for SHA-256 24a0d237dffdf601…

MALICIOUS

PDF

44.1 KB Created: 2020-08-04 03:11:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 963499553648bc0a2538e776ad4c7b45 SHA-1: 39e7207e57be1069763e94d2717b1d3710d90436 SHA-256: 24a0d237dffdf601c4742dee38b25d4da6f43037c345a24220b5266f282c75ac
120 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to a link farm hosted on cdn.shopify.com. One of the primary links directs users to a malicious redirector at ttraff.com. This indicates the document is designed to lure users into clicking malicious links, likely for phishing or malware distribution.

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=sociologia+da+educa%25C3%25A7%25C3%25A3o+pierre+bourdieu+pdf
    • http://files.elitetrainingfacility.net/uploads/1/3/1/3/131384442/7125923.pdf
    • http://files.australiancrusadersparty.com/uploads/1/3/0/7/130738548/dozerowukefelasasi.pdf
    • http://files.funktionjunktion.org/uploads/1/3/0/9/130969633/tokawogogisaboj-xikozawozavo.pdf
    • http://files.schsprojectgraduation.com/uploads/1/3/1/4/131407424/foditudaxesuxid.pdf
    • http://files.kyokushincalgary.ca/uploads/1/3/0/8/130873715/5890018.pdf
    • https://cdn.shopify.com/s/files/1/0430/7759/9383/files/86563636676.pdf
    • https://cdn.shopify.com/s/files/1/0433/9649/7573/files/23847301927.pdf
    • https://cdn.shopify.com/s/files/1/0430/0596/8537/files/79825802433.pdf
    • https://cdn.shopify.com/s/files/1/0430/5167/9893/files/mibupimeb.pdf
    • https://cdn.shopify.com/s/files/1/0429/6186/2810/files/88577018253.pdf
    • https://cdn.shopify.com/s/files/1/0433/2571/8678/files/voxapo.pdf
    • https://cdn.shopify.com/s/files/1/0431/8271/9136/files/30403341025.pdf
    • https://cdn.shopify.com/s/files/1/0431/7426/4993/files/19352530599.pdf
    • https://cdn.shopify.com/s/files/1/0437/6559/6321/files/42892581118.pdf
    • https://cdn.shopify.com/s/files/1/0451/1947/1781/files/benchmarking_libro.pdf
    • https://cdn.shopify.com/s/files/1/0435/3982/4799/files/32805518823.pdf
    • https://cdn.shopify.com/s/files/1/0435/1783/7467/files/80376157914.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_off0000685c.bin
e47cc470a7e64c9c9f6cc50f631002a8489feb12e438641969ab4207063b7e7d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x685C 5888 bytes
font_01_sfnt_off00007b95.bin
373c31b783346f9d99bae51975c7352a850f4255bf4a9e7493a5b4ac9d3dc6c7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B95 12128 bytes

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