Malicious PDF — malware analysis report

Static analysis result for SHA-256 3af75b253ddda5ca…

MALICIOUS

PDF

43.4 KB Created: 2020-05-13 23:52:49 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5d008d636c00eff1bb6b2c90073f2626 SHA-1: 166ad2d3da7aa4744d5b4411b74ba38c5fabd0d2 SHA-256: 3af75b253ddda5ca94a0bf61d54f0dc2bff8fd67bdef60d1626999df0dfb6fb1
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many pointing to other PDF files, suggesting a link farm or redirection mechanism. The document body, though partially corrupted, includes text related to a 'Customs declaration form ghana', likely a lure to encourage users to click on the embedded links. The primary heuristic 'PDF_SEO_LINK_FARM' indicates a high volume of external links, with 'artshotz.com' being a dominant host, suggesting these links are intended to lead users to malicious content. No scripts were extracted from this sample.

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://kmipropertieslimited.com/uploads/1/3/0/6/130639770/130639770.html#customs+declaration+form+ghana
    • http://artshotz.com/uploads/1/3/0/8/130814731/luvutonazijikegabivu.pdf
    • http://fiashennib.com/uploads/1/3/0/7/130738562/5091163.pdf
    • http://goldenheartsllc.net/uploads/1/3/0/3/130323453/7626503.pdf
    • http://trashycomfort.com/uploads/1/3/0/8/130874212/bopaf.pdf
    • http://jacobs-midcentmod.com/uploads/1/3/0/4/130435943/zigale.pdf
    • http://maziccity.com/uploads/1/3/0/2/130289541/2300001.pdf
    • http://raspberrymoon.org/uploads/1/3/1/4/131406269/gesadotox.pdf
    • http://logicdrainandsewer.com/uploads/1/3/0/8/130874365/e3d2f1a1dda.pdf
    • http://spotify-confirm-details.com/uploads/1/3/0/9/130969659/7573617.pdf
    • http://themjtphlebservices.com/uploads/1/3/1/4/131453665/3a29d0.pdf
    • http://julianamobilecarwash.com/uploads/1/3/1/6/131637376/mutini.pdf
    • http://jasonchanseoyu.com/uploads/1/3/0/4/130483866/8816f6ed.pdf
    • http://mindingourownbeeswax.com/uploads/1/3/1/0/131069940/815840.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_off00007e38.bin
20d879ed1c57dfb418942166d457dd91a6feae1bd6fc02fa9f10972a2fe7f22b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E38 10628 bytes

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