Malicious PDF — malware analysis report

Static analysis result for SHA-256 f847d5a6afb8a754…

MALICIOUS

PDF

40.8 KB Created: 2020-04-03 02:46:56 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: b042c125406b386849110cb073e00399 SHA-1: eeb11be5f137a10657eefdc5f60252f57fde8b67 SHA-256: f847d5a6afb8a754b04106e852f692b7d6a728fef83670bd114e7f043bae85f9
92 Risk Score

Malware Insights

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

This PDF document was flagged by a machine learning classifier as malicious. It contains a large number of embedded external links pointing to PDF files hosted on various domains, suggesting a link farm or content distribution network. The primary attack pattern involves directing users to these external resources, which could host further malicious payloads or phishing content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://aqueenwithpurposeshop.com/uploads/1/3/0/6/130620972/130620972.html#ib+assistant+exam+date+2018
    • http://klmdg.com/uploads/1/3/0/9/130969249/4655447.pdf
    • http://kcpetfair.com/uploads/1/3/0/4/130488701/nobasozar.pdf
    • http://directionalconsulting.org/uploads/1/3/0/5/130545128/7204092.pdf
    • http://inbalancecounselling.net/uploads/1/3/0/7/130775607/05c59a17738b8f.pdf
    • http://ledariuselectronicportfolio.com/uploads/1/3/0/3/130313359/tasekowixer.pdf
    • http://matthesmusic.org/uploads/1/3/0/5/130551125/5694903.pdf
    • http://enhancedlookstudio.com/uploads/1/3/0/6/130620798/mudetumerinixali.pdf
    • http://ontarioresume.com/uploads/1/3/0/3/130379244/miloxonilop-beferobudi-bonukevazofuraw-jefupada.pdf
    • http://harryshuttleworth.com/uploads/1/3/0/5/130590545/2c57eaab5f247c1.pdf
    • http://connecthomeservice.com/uploads/1/3/0/2/130288523/xenaponozojipo.pdf
    • http://2apples2oranges.net/uploads/1/3/0/6/130621043/luxugu.pdf
    • http://yourvaletlogan.com/uploads/1/3/0/6/130621634/baxuw.pdf
    • http://casatavares.pt/uploads/1/3/0/4/130475939/lisupaserenozokiwo.pdf
    • http://myanthonyonline.com/uploads/1/3/0/2/130287514/020f983ce1.pdf
    • http://arenovationdestination.com/uploads/1/3/0/5/130543798/kufopafov_malakomexevason_lifikujaduxofe_digunoke.pdf
    • http://davidandpattiball.com/uploads/1/3/0/7/130740316/f5a2944515e20e8.pdf
    • http://catholiccompass.net/uploads/1/3/0/6/130639379/b771415e24c756.pdf
    • http://bodywisebourne.com/uploads/1/3/0/6/130620833/7335606.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_off00007544.bin
36bdac69ff81b138c9711c4c7aaebf84d73fb931f427428bb8a5e973dce54fdc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7544 7964 bytes

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