Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb3d781a1eeea3d7…

MALICIOUS

PDF

32.9 KB Created: 2020-05-20 14:39:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7753f0784c236aab65257974c569be09 SHA-1: 6de71006990bd47f9f0df32f8af89cfd3dc96122 SHA-256: bb3d781a1eeea3d7c93b4ab26c7b713d2567d931075bcc103e68cbc91fea1f0e
62 Risk Score

Malware Insights

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

This PDF document contains a large number of external links, characteristic of a link farm designed to artificially inflate search engine rankings or to distribute traffic to various malicious sites. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior. The embedded document body text, though heavily obfuscated, contains URLs that are also present in the list of extracted URLs, reinforcing the link farm attack pattern. 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://simonkaram.com/uploads/1/3/1/4/131437785/131437785.html#fnaf+ultimate+edition+night+5
    • http://glmodelstudio.org/uploads/1/3/0/3/130313368/645e3c28.pdf
    • http://togetherwe.org/uploads/1/3/0/4/130436173/8397744.pdf
    • http://tinytreeherbfarm.org/uploads/1/3/0/7/130776873/07869a.pdf
    • http://blessedcleaningservice.net/uploads/1/3/1/3/131384656/5380722.pdf
    • http://bowserscruisers.com/uploads/1/3/0/5/130544781/53befaf1681.pdf
    • http://biblical-parenting.com/uploads/1/3/0/7/130776132/katudekeranip.pdf
    • http://guestroomprivacy.com/uploads/1/3/0/4/130492963/49551854d9.pdf
    • http://kahikateagardens.com/uploads/1/3/1/0/131070327/2296720.pdf
    • http://linda-gilbert.com/uploads/1/3/0/5/130545254/1612212.pdf
    • http://scprobatelitigation.com/uploads/1/3/1/8/131856498/8241bb4fc7.pdf
    • http://capecodjerkfest.com/uploads/1/3/0/6/130604355/jujalej_wujejomuvi_dimutuv.pdf
    • http://electronor.org/uploads/1/3/0/6/130604756/jeteluxadojal.pdf
    • http://fourthandmore.com/uploads/1/3/0/5/130551668/5182851.pdf
    • http://cocobungalow.net/uploads/1/3/0/7/130739383/bb7ff950326.pdf
    • http://organismtml.net/uploads/1/3/0/5/130551349/litizolawaki.pdf
    • http://icaymarketingconsultants.net/uploads/1/3/1/8/131871717/jejewejudinorapuxoka.pdf
    • http://jorgecalvobl.com/uploads/1/3/0/6/130604903/f0501.pdf
    • http://elizabetglasertroyer.com/uploads/1/3/1/6/131607229/a877e.pdf
    • http://greenghostheroacademy.com/uploads/1/3/0/8/130873860/6301915.pdf
    • http://drpheatherlyttle.net/uploads/1/3/0/2/130289443/gilepef.pdf
    • http://montessorikid.com/uploads/1/3/0/6/130603709/be0a29266.pdf
    • http://marisoul.net/uploads/1/3/1/4/131438309/5393409.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_off00005726.bin
06332514ab605bbf2ec69e039051f0298b4005657bb44aa592bf470663062e4d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5726 9580 bytes

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