Malicious PDF — malware analysis report

Static analysis result for SHA-256 e963ea2066addeaf…

MALICIOUS

PDF

41.9 KB Created: 2020-08-25 02:01:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 83c2ccf981bdec1702d758caf8359b54 SHA-1: af43231e770d7555b37eb374487c947cb5c82cc4 SHA-256: e963ea2066addeaf592b5dabc1890c973aa5372de88e281c15992a0f555c3c7b
120 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, including a critical link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=auditoria+informatica+concepto'. The document body, though heavily obfuscated, contains this URL and other links hosted on Shopify and a suspicious domain, suggesting a link farm or phishing lure. The primary intent appears to be redirecting the user to malicious infrastructure.

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=auditoria+informatica+concepto
    • http://mofizalu.needavac.com/uploads/1/3/1/8/131872295/xirabozosawudi.pdf
    • https://cdn.shopify.com/s/files/1/0435/4870/4920/files/28410194241.pdf
    • https://cdn.shopify.com/s/files/1/0432/8397/2256/files/rixopasuba.pdf
    • https://cdn.shopify.com/s/files/1/0433/4351/1702/files/gupumoturid.pdf
    • https://cdn.shopify.com/s/files/1/0435/7799/9519/files/ranked_rewards_league.pdf
    • https://cdn.shopify.com/s/files/1/0431/5460/4198/files/furidaxerizuwupunagosa.pdf
    • https://cdn.shopify.com/s/files/1/0433/2906/1032/files/best_website_to_marathi_movies_free.pdf
    • https://cdn.shopify.com/s/files/1/0431/6279/6186/files/tamil_bible_stories.pdf
    • https://cdn.shopify.com/s/files/1/0432/7414/1864/files/ln_in_python.pdf
    • https://cdn.shopify.com/s/files/1/0432/0201/9487/files/wefuxitugalejekepeduzut.pdf
    • https://cdn.shopify.com/s/files/1/0431/9569/5265/files/52228985816.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
08b07731b742c98607a6d11ed55d337e1b571f8950b75bb04145995c236633bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x685C 5080 bytes
font_01_sfnt_off00007984.bin
edd4513a8a5560c775e818f2470a3acaaded4c77e46dde56d70826be048fcc2a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7984 9884 bytes

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