Malicious PDF — malware analysis report

Static analysis result for SHA-256 40c65615275d5ea6…

MALICIOUS

PDF

36.5 KB Created: 2020-05-21 19:04:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 886e97139e65c7f96e1b77fbbec9fb6f SHA-1: 9f86c6eea31c72ee00ad291e1d98f4e6f72eafca SHA-256: 40c65615275d5ea677aa53cdec27cc4625feebe572a76e803af84621df960543
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. These links likely lead to malicious websites, potentially for phishing or distributing further malware. No scripts were extracted from this sample, and the document body is heavily obfuscated, making it difficult to determine a more specific attack pattern or family. The primary IOCs are the numerous external URLs embedded within the document.

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://inmotionphysicaltherapy.com/uploads/1/3/1/3/131383954/131383954.html#c+freeman+el
    • http://paintmycanvas.info/uploads/1/3/1/8/131856176/tomunijusuw.pdf
    • http://netgoal.org/uploads/1/3/1/0/131071188/nuxumibexow-xoloxufese.pdf
    • http://transitionscoachingservices.ca/uploads/1/3/0/3/130379126/ruzidavokumezisip.pdf
    • http://globalchemtradellc.com/uploads/1/3/1/3/131378837/c4c7f1f.pdf
    • http://shoppedit.com/uploads/1/3/0/5/130551714/98a2c.pdf
    • http://phoneduke.com/uploads/1/3/0/5/130551181/d62c5a8c.pdf
    • http://virginiayoungbirders.com/uploads/1/3/0/3/130379818/givekibawu-muzavajoxudor-tuxuzi.pdf
    • http://taylorperryinteriordesign.com/uploads/1/3/0/2/130271179/madebup-gotajaloxadu-lajepeziw-lonamudejopin.pdf
    • http://semaindustries.com/uploads/1/3/0/6/130621294/xawemanepezifoxix.pdf
    • http://huntedhome.com/uploads/1/3/1/8/131871405/d3c9cbf95.pdf
    • http://umbrellasicurezza.com/uploads/1/3/1/8/131871721/wedokugil_subalewibusoleg_dadipudefide_punita.pdf
    • http://mommyfittemecula.com/uploads/1/3/0/8/130813663/nipaleruvokabataxa.pdf
    • http://industrialagewelding.com/uploads/1/3/0/5/130552084/bulowenirego.pdf
    • http://200publicsquare.com/uploads/1/3/0/7/130740324/f56bb8b60fd8ee.pdf
    • http://strengthenmyiman.com/uploads/1/3/0/5/130538941/bafegod_nusabebi.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_off000062db.bin
55c2bab991565812b5f287cf4b339767db99da056c4194e4c34da5dd8126aba1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62DB 10680 bytes

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