Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3436ded136b3d58…

MALICIOUS

PDF

41.8 KB Created: 2020-08-24 20:17:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8de9c3e62509fce77c39677a31a6eeac SHA-1: 34e31f04458120a0949d3ebffc45c8453a12439a SHA-256: e3436ded136b3d589800a1fb50286816b0788aab596fdfe41e85efa117f592af
120 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.cc, disguised as a datasheet. This indicates a phishing or social engineering attempt to direct the user to malicious content. The PDF also hosts a large number of external links, many pointing to Shopify domains, suggesting a link farm used for SEO poisoning or to obscure the final malicious 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.cc/pify?keyword=irf520+mosfet+driver+module+datasheet
    • http://debigub.hopewellvalleybands.org/uploads/1/3/1/0/131071220/1873911.pdf
    • http://kofiweja.mrsanntutoring.com/uploads/1/3/2/6/132682076/korisanadunogo.pdf
    • http://files.coloradokodaly.org/uploads/1/3/2/3/132302732/24480bddc062c.pdf
    • http://pafatu.bandanovaalianca.org/uploads/1/3/2/3/132302857/472a136d16e671.pdf
    • http://fubivare.skateteamindy.com/uploads/1/3/2/3/132303093/f6d1d9cb9afd4be.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/12509012650.pdf
    • https://cdn.shopify.com/s/files/1/0433/6805/4940/files/boxexagomodif.pdf
    • https://cdn.shopify.com/s/files/1/0462/0989/2505/files/pocket_oxford_american_dictionary_thesaurus.pdf
    • https://cdn.shopify.com/s/files/1/0428/0185/6668/files/27487084984.pdf
    • https://cdn.shopify.com/s/files/1/0433/2791/4139/files/blood_pressure_monitor_cvs.pdf
    • https://cdn.shopify.com/s/files/1/0434/8415/1974/files/47741603113.pdf
    • https://cdn.shopify.com/s/files/1/0428/2174/6847/files/17663492645.pdf
    • https://cdn.shopify.com/s/files/1/0447/6986/9975/files/automated_trading_algorithms.pdf
    • https://cdn.shopify.com/s/files/1/0428/5153/2963/files/nivegamuwubep.pdf
    • https://cdn.shopify.com/s/files/1/0429/0415/8364/files/kasuvadisalatesa.pdf
    • https://cdn.shopify.com/s/files/1/0429/6153/5132/files/business_model_canvas_strategyzer.pdf
    • https://cdn.shopify.com/s/files/1/0434/5757/7122/files/rizupoxafi.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_off000063b0.bin
d03022e655273c79d0e8309192547074d731cb71ef325501e7750cd6f230f24d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63B0 5544 bytes
font_01_sfnt_off00007663.bin
f33f795cb86273a5dcf2feef900be2803d849829035a7f746dab108d0d405717		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7663 10392 bytes

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