Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b375255a1a36bb1…

MALICIOUS

PDF

40.2 KB Created: 2020-04-05 16:24:41 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 76b67965f1dc1e8e6bb4821698deeb95 SHA-1: 6bd958350867e1603321c258b9fb310027ba8517 SHA-256: 9b375255a1a36bb11daf626fffd5e5ceedb3851f182fe373af0c877e584cbe37
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF document contains a large number of external links to other PDF files hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. The document body itself contains garbled text and metadata related to its creation, but the primary malicious intent is derived from the numerous embedded URLs.

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://satyanam.com/uploads/1/3/0/6/130622076/130622076.html#ficha+tecnica+de+la+prueba+del+dibujo+de+la+familia
    • http://www.northwestpetscanning.com/uploads/1/3/0/5/130546645/lekogubaroze.pdf
    • http://crissconsultinggroup.com/uploads/1/3/0/7/130775879/xegozarifavuwidavez.pdf
    • http://postcardcritic.com/uploads/1/3/0/6/130605405/6537918.pdf
    • http://bronmarycane.com/uploads/1/3/1/4/131406662/senizozunagi_geduruboto_mudajujer.pdf
    • http://bookkeepertou.com/uploads/1/3/1/3/131398323/1637059.pdf
    • http://lovemyshoesco.com/uploads/1/3/1/3/131398419/5347957.pdf
    • http://thehallofframe.com/uploads/1/3/0/5/130550980/kunusafosiwen_votobupubijiwe.pdf
    • http://weddingnowvegas.com/uploads/1/3/0/3/130324011/xiwabe.pdf
    • http://leilshishy.com/uploads/1/3/0/5/130551805/8339477.pdf
    • http://portlandinvesting.com/uploads/1/3/0/8/130813835/7215958.pdf
    • http://serafimofficepaper.com/uploads/1/3/0/3/130323196/sapuv-fidano-fabav.pdf
    • http://gldflc.com/uploads/1/3/0/5/130539842/6757872.pdf
    • http://elizabethsummerseq.com/uploads/1/3/0/5/130539311/2c286.pdf
    • http://mrsdavisswghs.com/uploads/1/3/0/2/130289431/f766bc62492.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_off000071d5.bin
17982340054d52da1198a3d221a850ad4aaaee2417876c4fb667f9f52e533337		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71D5 8692 bytes

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