Malicious PDF — malware analysis report

Static analysis result for SHA-256 871beced00d959aa…

MALICIOUS

PDF

45.7 KB Created: 2020-04-10 11:17:25 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 80ef0addf5258373c4261b73dcbfe2bb SHA-1: 4cf904d61c876de2624855dc89ca2f66a1a9d5fa SHA-256: 871beced00d959aaaf4aaedde01984431b20704b46a85aaa3edd691f90822106
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, a technique often used for SEO spam or to redirect users to malicious sites. The document body, though partially corrupted, contains a URL related to cleaning an iron, which is likely a lure. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, suggesting a coordinated effort to distribute traffic or content across multiple domains. 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://nationservltd.com/uploads/1/3/0/7/130739917/130739917.html#how+to+clean+t-fal+ultraglide+iron
    • http://warwickartsociety.com/uploads/1/3/0/8/130874569/76adcd394.pdf
    • http://mineradora.org/uploads/1/3/1/4/131409167/totirunu.pdf
    • http://smithlitsterparticulateprocesses.com/uploads/1/3/0/6/130620529/3c950b1ed.pdf
    • http://whittiereatstreet.com/uploads/1/3/0/4/130436014/d2ff52c5.pdf
    • http://fridaygirl.biz/uploads/1/3/0/9/130969750/da2c3b.pdf
    • http://unkovich.kiwi/uploads/1/3/0/4/130489066/161bb.pdf
    • http://subterraneancoffeeboutique.com/uploads/1/3/0/5/130589163/wojim-josozexe.pdf
    • http://oldcolonyinnalexandria.com/uploads/1/3/0/6/130621721/pafufi.pdf
    • http://womenonpar.com/uploads/1/3/0/6/130639747/tisowu.pdf
    • http://lolaslanding.ca/uploads/1/3/1/3/131398046/dofonosuditenomodu.pdf
    • http://nyaticapital.com/uploads/1/3/1/3/131380495/bc3c1b9b80af1c.pdf
    • http://lizzyridge.com/uploads/1/3/1/1/131164364/1917688.pdf
    • http://dnquinn.com/uploads/1/3/0/5/130541662/vivasixevaduru.pdf
    • http://it-scc.net/uploads/1/3/1/3/131380564/nezidasa.pdf
    • http://zorani.us/uploads/1/3/1/0/131070597/kopulitovarux.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_off00008819.bin
261589fd79c04228d67b74573d532a488e99efb632a8eab7f07551114be55ec3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8819 8372 bytes

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