Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2b6f3f3aea995f1…

MALICIOUS

PDF

37.5 KB Created: 2020-04-17 10:57:20 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 630c652a1fb32602a65b6fcaeaabc415 SHA-1: d8373c737ef8124d99cd6fcc8427149d3f491820 SHA-256: c2b6f3f3aea995f1711aeb72355ce899d7e32540a95c86fa58971e20f9c3d224
70 Risk Score

Malware Insights

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

The PDF document contains a lure related to an 'Australia visa form 600' and embeds a large number of external links. The heuristic 'PDF_SEO_LINK_FARM' indicates that the PDF is part of a link farm, likely designed to drive traffic to various websites. The presence of multiple unknown-reputation URLs suggests a phishing or redirection campaign. No scripts were extracted from this sample, limiting the ability to determine further payload execution.

Heuristics 4

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://escorti-milano.com/uploads/1/3/0/6/130621800/130621800.html#australia+visa+form+600
    • http://hudsonvalleyvingear.com/uploads/1/3/0/8/130874239/notofijujamiro-tabox.pdf
    • http://tennisbuddy4u.org/uploads/1/3/1/3/131398003/f1b7f8ee.pdf
    • http://vap-ecigs.com/uploads/1/3/0/5/130588500/dudunat_lalir.pdf
    • http://misteranubis.com/uploads/1/3/0/8/130814510/9b99e6.pdf
    • http://sparkfaith.com/uploads/1/3/0/7/130738794/sixupizi_mifefu_metid.pdf
    • http://rorros.net/uploads/1/3/0/2/130272420/7811479.pdf
    • http://kaitlynsescoterica.com/uploads/1/3/0/4/130489437/b0449.pdf
    • http://louer-logement-perrosguirec.fr/uploads/1/3/0/7/130739163/358b773219fe416.pdf
    • http://alphamanifesto.com/uploads/1/3/0/8/130873855/tugalidalanubepimuma.pdf
    • http://thetruroflorist.com/uploads/1/3/0/5/130551330/febupawinemavabeda.pdf
    • http://mysubsidiarity.com/uploads/1/3/1/4/131438127/xerokixij_rajapi.pdf
    • http://r2medtechregulatoryclinicalqualityllc.com/uploads/1/3/0/2/130289185/6416807.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_off00006ca1.bin
35c078024ac65e82593ac0ca6a48aa9391ca436a4fc619327f97d2b7ac31a259		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CA1 7628 bytes

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