Malicious PDF — malware analysis report

Static analysis result for SHA-256 30b3f0e7beed242e…

MALICIOUS

PDF

32.1 KB Created: 2020-03-23 02:22:55 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5c0e61ec4798abe8af0579fa5349bf66 SHA-1: 6eb583ef4b88bb4ec2b6cb41dabec173a1e0dad1 SHA-256: 30b3f0e7beed242eef07917bf42bf253331d77c25fc91980584bf44ce995d60b
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a large number of external links, many of which point to domains that appear to be part of a link farm. The document body, though partially corrupted, includes a URL that is also present in the heuristics. This suggests the primary purpose is to redirect users to potentially malicious websites, likely for SEO spam or further malware distribution. No scripts were extracted, limiting the ability to determine specific payload delivery mechanisms.

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://consolineaudiovisual.com/uploads/1/3/0/3/130379798/130379798.html#como+calcular+el+volumen+del+ortoedro
    • http://www.cma458.com/uploads/1/3/0/7/130739719/degowaxoxek.pdf
    • http://www.pigplay.online/uploads/1/3/0/6/130604136/kujalegomewodu-kubiporugene-dipesudusoti-lavamapifek.pdf
    • http://thealrosadiamond.com/uploads/1/3/0/4/130436166/942601.pdf
    • http://petfolder.net/uploads/1/3/0/6/130622024/6801277.pdf
    • http://mail.rottsofruv.com/uploads/1/3/0/5/130543368/a01b6bb9c1b.pdf
    • http://online-wealth-college.com/uploads/1/3/0/2/130291662/xulokimabijiv_wemunobu_sutosoz_kadanimusexixi.pdf
    • http://ferniemassagetherapy.com/uploads/1/3/0/7/130739720/9856283.pdf
    • http://twistedgraphicsandtees.com/uploads/1/3/0/2/130272278/karojobumazile.pdf
    • http://deanadurisic.com/uploads/1/3/0/9/130969057/tafub.pdf
    • http://www.percyphotos.com/uploads/1/3/0/5/130590777/leludizexi-tuwudatexobelu-zinisediro.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_off000053a2.bin
33d8d45f08c9c4c81d04849d603555bf2886795d9286933364e97060b2b63641		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53A2 8656 bytes

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