Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd4c633b12389d0d…

MALICIOUS

PDF

27.3 KB Created: 2020-04-14 07:10:13 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 63c3880c545b8f66863c45f7e9d7cfa7 SHA-1: 3565d7e4ec9005f25c64d6b95ef014c5b10a0cf8 SHA-256: fd4c633b12389d0d6c3749af20b58c7831bd888a7afdab96e81e443ac30aa16a
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, many of which are hosted on similarly structured domains, suggesting a link farm or SEO poisoning tactic. The document body text and one of the extracted URLs mention 'add attachment to salesforce email template', indicating a potential lure for phishing or credential harvesting. No scripts were extracted from this sample, limiting further analysis of its behavior.

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://nielsandfestie.com/uploads/1/3/0/9/130970005/130970005.html#add+attachment+to+salesforce+email+template
    • http://salesianformationcommission.com/uploads/1/3/0/2/130287837/soxiroxebilikevi.pdf
    • http://mudanzas-felix-leganes.com/uploads/1/3/0/5/130551190/ad503730551.pdf
    • http://centerpointcoaching.com/uploads/1/3/0/7/130739791/3669478.pdf
    • http://myartist-studio.com/uploads/1/3/1/3/131384503/kemulamodejetesuk.pdf
    • http://newseynessa.com/uploads/1/3/1/0/131070597/jujetan.pdf
    • http://edgewateracresfarm.com/uploads/1/3/1/4/131453894/40cd7e38d7.pdf
    • http://motessoricypress.com/uploads/1/3/0/7/130739073/2342162.pdf
    • http://aroseroom.com/uploads/1/3/0/8/130874011/fogenasameke-raxuvevixun.pdf
    • http://edzservicecentre.com/uploads/1/3/0/5/130588798/titukopuwa_repafokufugo.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_off0000476b.bin
529139190b35ecae06e7927efbc89be08291f92269e366d68e0737751d40edcf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x476B 6516 bytes

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