Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7ce8c5eb90a37e9…

MALICIOUS

PDF

41.2 KB Created: 2020-03-16 07:48:40 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5e9164d559da32d2fa9384cf34a55f3d SHA-1: a9720d05a78bd50423862cb693af12dad5b25b7b SHA-256: c7ce8c5eb90a37e9b2e7394af361c6497d44eed37e31412a26fd9c10aeeec2f3
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, many of which point to PDF files on various domains. The document body mentions 'Spider solitaire game apkpure', suggesting a lure to download a game. The heuristic 'PDF_SEO_LINK_FARM' indicates a deliberate attempt to create a link farm, likely for SEO manipulation or to host malicious content. The primary URL identified is http://johnsonandsonsservices.com/uploads/1/3/0/4/130489131/130489131.html#spider+solitaire+game++apkpure, which appears to be part of this scheme.

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://johnsonandsonsservices.com/uploads/1/3/0/4/130489131/130489131.html#spider+solitaire+game++apkpure
    • http://curatedchoice.co/uploads/1/3/0/4/130476045/3207faf9.pdf
    • http://groenrang.com/uploads/1/3/0/5/130589214/2312376.pdf
    • http://remsofflorida.com/uploads/1/3/0/3/130323794/viwob.pdf
    • http://merryvillemuseum.com/uploads/1/3/0/6/130621137/4741253.pdf
    • http://webdisk.penhurstacademy.co.za/uploads/1/3/0/7/130775403/liwifajubo.pdf
    • http://www.tamarikikaiora.com/uploads/1/3/0/3/130313741/jizenowu.pdf
    • http://mydrivecash.com/uploads/1/3/0/6/130639165/1387681.pdf
    • http://webmail.thecornerdrugstore.ca/uploads/1/3/0/9/130969505/xesegotigo_xefuvuwaxowun_megexuvisemuwu.pdf
    • http://gjnolan.com/uploads/1/3/0/2/130289375/tipuselav.pdf
    • http://www.brandonjoneslmhc.com/uploads/1/3/0/9/130969312/zosuteruzokorijar.pdf
    • http://daftmerch.com/uploads/1/3/0/7/130738951/ac53bf0.pdf
    • http://ns1.facile.hosting/uploads/1/3/0/7/130775458/4616287.pdf
    • http://www.clarinnes.org/uploads/1/3/0/3/130323554/wulud_fenobobaje.pdf
    • http://comoiniciarunnegocio.net/uploads/1/3/0/7/130739278/vegiz-tijexoku-tiliv.pdf
    • http://keuritall.com/uploads/1/3/0/3/130313111/xubamejilesep_katuso.pdf
    • http://theatreboreal.org/uploads/1/3/0/5/130543207/60ccd58aa96.pdf
    • http://www.ps110k.com/uploads/1/3/0/8/130815058/baworesisasotimiwej.pdf
    • http://aydenpugh.com/uploads/1/3/0/7/130740492/d9829622.pdf
    • http://cool-jugs.com/uploads/1/3/0/6/130604441/texepatetolo-pelag-mesagolusibubo-mepajalo.pdf
    • http://projectindigo.co/uploads/1/3/0/7/130739169/modigo.pdf
    • http://maxitango.com/uploads/1/3/0/5/130539165/3276358.pdf
    • http://ncpc.uk/uploads/1/3/0/3/130379155/feaa2265e47212.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_off0000763d.bin
8eb29379b872079c5a1bca8d502fbd69e0c23a71d893cbde17e65928269b99f5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x763D 8680 bytes

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