Malicious PDF — malware analysis report

Static analysis result for SHA-256 334c09a8be5181d2…

MALICIOUS

PDF

42.0 KB Created: 2020-03-17 09:05:16 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 60da3b484d4f60d5328f1e0310337529 SHA-1: 71181ffb1f6d2f47a6c5d42946a2e4aea864762e SHA-256: 334c09a8be5181d254e1d7cf760b4ae507b50ca4fe02dac8555810e73b59039e
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 as a 'PDF_SEO_LINK_FARM' heuristic. The document body text, 'Sopa de letras sobre el dia del amor y la amistad', appears to be a lure to disguise the malicious intent. The primary goal seems to be directing users to a network of linked PDF files hosted on various domains, potentially for SEO spam or to distribute further malware.

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://beeseyecandy.com/uploads/1/3/0/5/130543262/130543262.html#sopa+de+letras+sobre+el+dia+del+amor+y+la+amistad
    • http://gregpoirier.info/uploads/1/3/0/6/130620184/171ed2c8ab7.pdf
    • http://knightwaltz.com/uploads/1/3/0/6/130621310/c71304ae9d.pdf
    • http://thrivingwithgrace.com/uploads/1/3/0/6/130603834/93ba1df.pdf
    • http://bearvalleymensministry.com/uploads/1/3/0/5/130550928/43f3f747f8c.pdf
    • http://wbginternationals.com/uploads/1/3/0/7/130739893/63af0.pdf
    • http://waxessential.com/uploads/1/3/0/6/130621687/gowivubedaxud.pdf
    • http://skullteamlove.com/uploads/1/3/0/6/130604505/juvelamatotetuz_gopejulezebeva.pdf
    • http://www.getinmybellysweets.com/uploads/1/3/0/7/130776413/reduwa.pdf
    • http://ctmining.net/uploads/1/3/0/5/130588870/zadevebumezumor.pdf
    • http://louisebe-feutretextile.com/uploads/1/3/0/6/130620537/fbf5137a65f.pdf
    • http://digitaildesigns.com/uploads/1/3/0/6/130603688/dofune.pdf
    • http://peacelovemedspa.com/uploads/1/3/0/6/130604446/4423588.pdf
    • http://www.hadvsupplychain.com/uploads/1/3/0/5/130543640/savetokime.pdf
    • http://stonefloors1.com/uploads/1/3/1/0/131070506/5212065.pdf
    • http://budapestacousticband.hu/uploads/1/3/0/8/130874612/miwejow.pdf
    • http://northwayds.com/uploads/1/3/0/7/130776821/1291328.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_off00007911.bin
c63ec148032a4245c018e60af6ccc6df976ea195e26b6a17d64b8c2f10d7001e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7911 8756 bytes

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