Malicious PDF — malware analysis report

Static analysis result for SHA-256 48aba959ea18d0a0…

MALICIOUS

PDF

40.2 KB Created: 2020-07-30 11:18:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 72795ce52203a8a46f6a71c2f73f7af0 SHA-1: ab47ad941d898aa0edbcdc0cc4e547705171c0cd SHA-256: 48aba959ea18d0a03019881a241d225c721642da476229a084ff335f179d77d7
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains numerous links to external websites, masquerading as academic papers. One critical heuristic indicates a malicious redirector link to 'ttraff.cc', suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains text related to 'conducting research in psychology 4th edition pdf', reinforcing the lure. The presence of a link farm further supports the malicious intent.

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=conducting+research+in+psychology+4th+edition+pdf
    • http://files.ourfrenchimpressions.com/uploads/1/3/0/7/130739037/5b906a2348.pdf
    • http://files.prowrestlingtights.com/uploads/1/3/0/7/130740249/denapavemojuk.pdf
    • http://files.misssummitinternational.com/uploads/1/3/1/4/131437671/9708b7e3ed3.pdf
    • https://cdn.shopify.com/s/files/1/0432/5359/6310/files/deluxelisataku.pdf
    • https://cdn.shopify.com/s/files/1/0429/8512/8099/files/60702463133.pdf
    • https://cdn.shopify.com/s/files/1/0429/8778/2297/files/70823460700.pdf
    • https://cdn.shopify.com/s/files/1/0431/0673/0138/files/butomelopomem.pdf
    • https://cdn.shopify.com/s/files/1/0428/0057/8723/files/40086344205.pdf
    • https://cdn.shopify.com/s/files/1/0433/3325/5323/files/megugutinede.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tufajotojitumawudawemir.pdf
    • https://cdn.shopify.com/s/files/1/0430/9925/9031/files/potaseluwam.pdf
    • https://cdn.shopify.com/s/files/1/0431/7147/9709/files/japutozizosaxowunufiw.pdf
    • https://cdn.shopify.com/s/files/1/0431/2619/4336/files/tenisiwoduzasiwetigi.pdf
    • https://cdn.shopify.com/s/files/1/0431/8176/8872/files/wiwiwuwerepokogakafefef.pdf
    • https://cdn.shopify.com/s/files/1/0432/6290/2438/files/zuxituzamexareladas.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gevuruliwineda.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/
    • https://cdn.shopify.com/s/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005f04.bin
e3c0a3fe9ffb8bdc2f4ee0dd27df44d3fadb81fbbd1c9f6c4d64fa59e9d373ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F04 5512 bytes
font_01_sfnt_off000071cb.bin
7923eb8d2883339a3218732142300484585f0264348b680abdb97f7f6fb5c773		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71CB 9900 bytes

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