Malicious PDF — malware analysis report

Static analysis result for SHA-256 356beee370477cf9…

MALICIOUS

PDF

41.2 KB Created: 2020-03-25 10:55:38 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8f3d8beeb6716e2bc7147abc62df6426 SHA-1: 0cc8ba5d45cca212a4073ec0eb398ae2ed1040f1 SHA-256: 356beee370477cf9a777cde27a652722e909bd17b3888a91c3392fcf2c62b9de
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The primary URL points to a page with a title related to 'childhood quotes', but the document body is heavily obfuscated. The numerous embedded URLs suggest a link farm or a distribution mechanism for further malicious content, rather than a direct user-facing lure. 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://youbrewchicago.com/uploads/1/3/0/2/130288514/130288514.html#catherine+and+heathcliff+childhood+quotes
    • http://www.firstfilms.co.uk/uploads/1/3/0/5/130543170/c6d0cc969f023a.pdf
    • http://naturaltolife.com/uploads/1/3/0/3/130324167/1913429.pdf
    • http://www.agentflamingo.com/uploads/1/3/0/9/130969297/bcaaf7824.pdf
    • http://www.drumvoice.org/uploads/1/3/0/2/130291527/kapigugekar.pdf
    • http://thairapist.com/uploads/1/3/0/7/130775737/nazaruzab_nonuzufo.pdf
    • http://www.koidesing.com/uploads/1/3/0/6/130621473/mogar.pdf
    • http://countrywomencancerfund.org/uploads/1/3/0/3/130324044/rinatalitigogevopa.pdf
    • http://www.atchofnature.com/uploads/1/3/0/7/130740259/2722738.pdf
    • http://mrefael.design/uploads/1/3/0/6/130639672/nowolazimedowego.pdf
    • http://www.vagahjalpa.nu/uploads/1/3/0/9/130969016/963561861e8b4.pdf
    • http://suzanneandbeatrice.com/uploads/1/3/0/3/130323178/xoxafojubetuzipifar.pdf
    • http://billandtonis.com.au/uploads/1/3/0/2/130289789/felolokeme-zekanilimo.pdf
    • http://brainwrightbh.com/uploads/1/3/0/3/130323455/0cb907297b9ceb.pdf
    • http://www.proedge406.com/uploads/1/3/0/6/130639350/nadovanazowabop_rumadaxiluket_xarigotawupo_vasutavexadoni.pdf
    • http://nellie-vanbruggen-edu.ca/uploads/1/3/0/6/130639849/lapinidamofolezave.pdf
    • http://rockinluxe.com/uploads/1/3/0/4/130489423/4072727.pdf
    • http://mail.akwoodkits.com/uploads/1/3/1/0/131069893/4641576.pdf
    • http://www.prosphatos.com/uploads/1/3/0/3/130313056/moberelutirosep_gupotilebajotad.pdf
    • http://www.kevinwilliamcortez.com/uploads/1/3/0/4/130488743/mefezuzap.pdf
    • http://meditatecreatestudio.com/uploads/1/3/0/6/130639034/f2401.pdf
    • http://grinnellhopeassembly.org/uploads/1/3/0/9/130968949/riwelute_pepegozu_sivepewo.pdf
    • http://www.aedutah.com/uploads/1/3/0/3/130313539/fasowatuvovotolapugo.pdf
    • http://hostmaster.berlinerbibelschulen.org/uploads/1/3/0/6/130620626/0d3335.pdf
    • http://www.pescafishing.ca/uploads/1/3/0/5/130540063/85816e2e6ca2.pdf
    • http://hostmaster.berlinerbibelschulen.org/uploads/1/3
    • 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_off00007a56.bin
27057531592f6bda9c071b534ea7e5f411ccb826923862919b23dd7b5e685cc9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A56 7316 bytes

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