Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d6dc6dd0937c1cb…

MALICIOUS

PDF

35.2 KB Created: 2020-03-25 02:24:51 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5300057686af7fbd1df9eb970270a3c7 SHA-1: 14a9282cd6bd41166ea1a5018fa975cc73ac2c60 SHA-256: 8d6dc6dd0937c1cb594b9bc693cd777d894b635b858ec31bee831445b4fce27f
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which are hosted on domains that appear to be part of a link farm. The document body, though partially corrupted, contains text referencing 'Dropbox' and includes URLs that likely lead to malicious content or phishing pages. The heuristic 'PDF_SEO_LINK_FARM' strongly indicates a malicious intent to redirect users through a network of sites.

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://kenandlila.com/uploads/1/3/0/7/130740464/130740464.html#dropbox+para+modo+s+que+es
    • http://ramaforschoolboard.com/uploads/1/3/0/6/130604956/313df8.pdf
    • http://www.kheventing.com/uploads/1/3/0/7/130776695/79f83626.pdf
    • http://newyorkdesigner.com/uploads/1/3/0/6/130604922/linamix.pdf
    • http://www.parsonsuxotechs.org/uploads/1/3/0/6/130604241/renetupida.pdf
    • http://hhhcounseling.com/uploads/1/3/0/5/130543656/8295998.pdf
    • http://www.beautesache.ru/uploads/1/3/0/2/130270923/debikujenoruxinufebo.pdf
    • http://www.ricksmobilerv.com/uploads/1/3/0/5/130588745/jotupu_toxowajafenox.pdf
    • http://midlifewithmoxie.com/uploads/1/3/0/4/130483288/1042812.pdf
    • http://celldoctors.org/uploads/1/3/1/0/131070751/xedodidozimolu.pdf
    • http://drivingclubuk.net/uploads/1/3/0/9/130969539/c226e.pdf
    • http://mountaineerauction.com/uploads/1/3/0/5/130545365/4056242.pdf
    • http://willsonmccluskey.com/uploads/1/3/0/2/130274304/4545207.pdf
    • http://decodingconflict.com/uploads/1/3/0/7/130739446/zokeveveruneke-janog-kuxoxafiv.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_off00006178.bin
19b520a97c252488c7ab356d0cea4639a7eab4ce4859be5735b836685ee3270b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6178 8312 bytes

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