Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e183c6a29863110…

MALICIOUS

PDF

40.4 KB Created: 2020-03-29 05:23:41 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5b12702f1756ad995936a1668c3073f1 SHA-1: 36d4206572c1de27979694d28d51658c51a0d74e SHA-256: 2e183c6a29863110ac779c454b429d6baedcb651651e82fedb5b6b5c4d1860b1
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, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or distribution network. The document body itself is largely unreadable binary data, but it does contain a reference to the primary URL. No scripts were extracted from this sample. The primary purpose appears to be directing users to a large number of external resources.

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://7levelselling.stefanaarnio.com/uploads/1/3/0/6/130620567/130620567.html#planisferio+con+la+proyeccion+interrumpida+o+de+goode+con+nombres
    • http://ahjf4ew.brdge.org/uploads/1/3/0/2/130270849/goludawapofiti_mevutobavawined_sujamijenefu.pdf
    • http://kenrictaylor.net/uploads/1/3/0/4/130483660/bd7be.pdf
    • http://boujeebbeauty.com/uploads/1/3/0/3/130323329/mamapazigeme.pdf
    • http://chevrolet-s2500.com/uploads/1/3/0/5/130540525/tirifekokula-vigomof.pdf
    • http://lenburg.net/uploads/1/3/0/7/130739560/saxokonijefu_tonazunowa.pdf
    • http://abqmobilenotary.com/uploads/1/3/0/6/130620934/3c2eb5c280.pdf
    • http://beckervetclinic.com/uploads/1/3/0/5/130540065/7186855.pdf
    • http://www.chefjettoperations.com/uploads/1/3/0/4/130483769/nonixaj.pdf
    • http://cfdetroit.com/uploads/1/3/0/6/130604010/bixojuvalefupokap.pdf
    • http://herreriasyminguez.com/uploads/1/3/0/2/130289334/4070562.pdf
    • http://rebathofsouthlouisiana.com/uploads/1/3/0/7/130775045/lokasejilapi.pdf
    • http://roanecountyhighway.com/uploads/1/3/0/6/130621160/e0c61cc386.pdf
    • http://candicemoss.com/uploads/1/3/0/3/130313284/dejedetumival.pdf
    • http://newcastlenetworkinggroup.com/uploads/1/3/0/6/130604884/2708710.pdf
    • http://effectivedistrict.com/uploads/1/3/0/6/130604950/ddfc9.pdf
    • http://www.emilyisaacswellness.com/uploads/1/3/0/2/130272403/6783429.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_off000072c9.bin
8afacfd733fb1f84aaffd4a9fa3fcaa58b6af1972f464287592d61ee7d91433c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72C9 8484 bytes

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