Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc6804a1f9e68683…

MALICIOUS

PDF

45.8 KB Created: 2020-03-19 03:09:15 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 9c7b5519a2375016dea7da3e87759267 SHA-1: e2e799df28a389b4b2a2b145750474c0b4e55b21 SHA-256: bc6804a1f9e686839dcf70cc616aed45df950980508436433dffdae56735bcd7
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document was flagged by a machine learning classifier as malicious. It contains a large number of external links (PDF_SEO_LINK_FARM heuristic) pointing to various domains, likely serving as a link farm to distribute malicious content or conduct phishing. The primary URL identified is http://go2globe.uk/uploads/1/3/0/4/130488100/130488100.html#one+summer%27s+day+piano+music, and a significant number of other PDF files are linked from domains like 74-123-73-253.mgwnet.com.

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://go2globe.uk/uploads/1/3/0/4/130488100/130488100.html#one+summer%27s+day+piano+music
    • http://74-123-73-253.mgwnet.com/uploads/1/3/0/3/130323465/turujapexegaker-ziroli-zozuzadeparu-penexenom.pdf
    • http://www.vidaflorhemp.com/uploads/1/3/0/7/130738697/52cc1c.pdf
    • http://spiritfednutrition.com/uploads/1/3/0/3/130379291/bbf3c144abbe.pdf
    • http://printroom231.com/uploads/1/3/0/6/130621044/4516619.pdf
    • http://jpwearables.com/uploads/1/3/0/4/130489763/5989336.pdf
    • http://bowl.benjaminlstewart.org/uploads/1/3/0/8/130874170/nutezek.pdf
    • http://churchilltailors.com/uploads/1/3/0/7/130740572/2954254.pdf
    • http://mrsofteesouthflorida.com/uploads/1/3/0/7/130775127/zowarexub.pdf
    • http://mail.emmapreece.co.uk/uploads/1/3/0/8/130873735/difati.pdf
    • http://www.distancelearning-today.net/uploads/1/3/0/6/130639054/luzevetap_tudelogepure_wakilod_wotalenijovin.pdf
    • http://rockthedam.org/uploads/1/3/0/2/130291646/7876649.pdf
    • http://coachip.com/uploads/1/3/0/7/130740385/nigulubesakabuzekuf.pdf
    • http://simplygreenproductsllc.com/uploads/1/3/0/8/130874614/fusikoxedopokul.pdf
    • http://harlistasunidos.com/uploads/1/3/0/6/130622036/91e32b9b5d8ef.pdf
    • http://boyinqiuwang.br3h.com/uploads/1/3/0/6/130604161/pageralud_togizunowaraful_ruxoru_suruxi.pdf
    • http://fannystandup.com/uploads/1/3/1/0/131069838/4224927.pdf
    • http://t3o2e.bpmtc.com/uploads/1/3/0/2/130288924/kovefekufar.pdf
    • http://bradeaton.net/uploads/1/3/0/6/130604812/2990880.pdf
    • http://lindsaymillsco.com/uploads/1/3/0/3/130379174/fiwifatotiwi.pdf
    • http://newholland4wdtractor.com/uploads/1/3/0/3/130323822/gekidar.pdf
    • http://webdisk.leescrossroadmbc.com/uploads/1/3/0/7/130776644/42045a8e.pdf
    • http://www.touchofgrass.nl/uploads/1/3/0/2/130272557/3248382.pdf
    • http://speechfultherapyservices.com/uploads/1/3/0/7/130739061/f4006e2332c2d.pdf
    • http://proudparents315.com/uploads/1/3/0/6/130639899/1702444.pdf
    • http://www.touchofgrass.nl/uploads/1/3/0/2/130
    • 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_off0000879a.bin
9af427d54b84179db89feac6a5ecf1849485b1f25133096d4f9e898806493366		 pdf-font-stream PDF embedded font (sfnt) at offset 0x879A 9312 bytes

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