Malicious PDF — malware analysis report

Static analysis result for SHA-256 354d2deb7e03b184…

MALICIOUS

PDF

51.1 KB Created: 2020-04-26 21:49:59 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 41fd19a8e54788d5ee22250418baeff7 SHA-1: d0632271636ea372d9f0571b9e703760d6ee35e6 SHA-256: 354d2deb7e03b184f0703f4938efb40a54a00b61e2000cac885ab9c28a8372b0
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, many of which are dynamically generated and point to unrelated domains, indicating a link farm or SEO spam tactic. One of the embedded URIs, 'http://uppercapedronemedia.com/uploads/1/3/0/8/130874142/130874142.html#edible+packaging+pdf', suggests a lure related to 'edible packaging' to entice users to click. No scripts were extracted, but the extensive link farm points towards a malicious intent to drive traffic or host malicious content.

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://uppercapedronemedia.com/uploads/1/3/0/8/130874142/130874142.html#edible+packaging+pdf
    • http://nepservicesinc.com/uploads/1/3/0/6/130620929/5277848.pdf
    • http://montecitoluxuryrealty.com/uploads/1/3/1/3/131383242/5965185.pdf
    • http://libertyatlas.com/uploads/1/3/0/6/130640024/jazukalevidexaj.pdf
    • http://brownbagbakery.info/uploads/1/3/1/1/131163620/6140541.pdf
    • http://thegenerousheart.org/uploads/1/3/1/4/131482893/dekamu.pdf
    • http://urbancalls.ca/uploads/1/3/0/5/130550855/wuxevo_sogufumizipivo_pizedorizib_konuzixezoze.pdf
    • http://anaroseafi.com/uploads/1/3/0/5/130540525/7995992.pdf
    • http://denequia.com/uploads/1/3/1/0/131070236/9898589.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_off00009fd3.bin
06bba4979cfe98f4721a5e204e0eb38c2b342b0197b4a8e56b5dd3fe867f084d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9FD3 8728 bytes

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