Malicious PDF — malware analysis report

Static analysis result for SHA-256 59de8fa92822b2a1…

MALICIOUS

PDF

35.4 KB Created: 2020-04-07 06:09:15 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 68c6e3d7ba003691cd56189b27959b21 SHA-1: 91193eeb5a4e5f311746c994f2fbc1a3cabdb229 SHA-256: 59de8fa92822b2a1de4e83d4494d68e305b867c55ed65b37e43cfac7fa3df7ab
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or SEO spam tactic. The document body contains garbled text and a URL that appears to be part of the link farm. 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://drangelinemaughan.com/uploads/1/3/0/4/130483902/130483902.html#imagenes+de+contaminacion+ambiental+para+ni%C3%B1os+para+colorear
    • http://kilianskreations.com/uploads/1/3/1/1/131163991/22fd8.pdf
    • http://northidahostrainedhorses.com/uploads/1/3/1/3/131380351/7b0fd.pdf
    • http://impe-project.com/uploads/1/3/0/6/130604732/muvizeromu-xatinimu.pdf
    • http://74-123-76-231.mgwnet.com/uploads/1/3/0/6/130604111/sanelezufaguneja.pdf
    • http://jrfinancialservices.org/uploads/1/3/1/4/131438176/jagiwuji-xatadovimamu.pdf
    • http://fitnesswithemer.net/uploads/1/3/0/5/130547215/vemolatedabalafog.pdf
    • http://themaidstonemarch.com/uploads/1/3/0/5/130590133/zetivi_wamumolejew_wuwemojufakedur.pdf
    • http://pointfiveprojects.com/uploads/1/3/0/7/130775056/pasewe-kikapoguxeb-xojeb-bakenajo.pdf
    • http://stricklandmindbodyandsoul.com/uploads/1/3/0/5/130551214/muxima_ladawafirik_vevedefonageve.pdf
    • http://id10ttechservices.com/uploads/1/3/0/7/130776518/62dce44473ea.pdf
    • http://medicaltranscription.ca/uploads/1/3/0/8/130874076/2391633.pdf
    • http://homefitresults.com/uploads/1/3/0/3/130313428/sudofi_javitezezemoj_rilozosapi.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_off00005ec6.bin
40c25029193c1ec8be24a8b01445d6218d4121af312d89e16f5a6ca9bf816b0e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EC6 8472 bytes

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