Malicious PDF — malware analysis report

Static analysis result for SHA-256 df0c20d145fb875d…

MALICIOUS

PDF

35.0 KB Created: 2020-04-08 19:26:53 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 70a288eba7a0d98d6f1c1461342238b0 SHA-1: 55c6260887cfd918ee77575e9a97b12a9024e98f SHA-256: df0c20d145fb875da4c3dfa3cff40e2d5dd434e5af8d947f67aa648024ebf4fa
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. One of these links, http://garagedoorrepairelsegundo-ca.com/uploads/1/3/0/7/130774973/130774973.html#thieme+atlas+of+anatomy+2nd+edition, is embedded within the document body, suggesting a lure. The presence of numerous similar links indicates a link farm or redirection strategy, common in phishing or malware distribution campaigns.

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://garagedoorrepairelsegundo-ca.com/uploads/1/3/0/7/130774973/130774973.html#thieme+atlas+of+anatomy+2nd+edition
    • http://scadacomponents.com/uploads/1/3/1/4/131407459/wunaxes_debezipol_newom.pdf
    • http://believeandachievehealth.com/uploads/1/3/0/5/130589411/gojafunivefokofatuji.pdf
    • http://tuonggi.com/uploads/1/3/1/4/131437881/vorujejugede_penekeda_fokujomoripek.pdf
    • http://superiorclean.org/uploads/1/3/0/8/130873736/1330656.pdf
    • http://velocitascap.com/uploads/1/3/0/8/130874260/2228043.pdf
    • http://elizabethrodriguezherron.com/uploads/1/3/0/6/130621013/fekanuretotubuzo.pdf
    • http://mufgmx.com/uploads/1/3/0/2/130289229/mobev-sevazavafazuv.pdf
    • http://stylesilk.it/uploads/1/3/0/7/130740563/323378.pdf
    • http://retaildiscounterswilliamsport.com/uploads/1/3/1/1/131164269/9fc13611.pdf
    • http://sanphamnovaland.com/uploads/1/3/0/6/130604579/8259349.pdf
    • http://ecoboxcleaners.com/uploads/1/3/1/4/131437875/5766573.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006264.bin
bb10d6342cd163e1099cd6653c328c87cbfa3d91ffcc0f3e11c6eaf4f453fd7c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6264 7388 bytes

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