Malicious PDF — malware analysis report

Static analysis result for SHA-256 32a6d0d18beecfdd…

MALICIOUS

PDF

37.4 KB Created: 2020-03-24 23:18:58 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: b77c96b4c492c485d1a55ba2f0cd33e6 SHA-1: ff63b11083b5d24916cdd98aa066265a572d2033 SHA-256: 32a6d0d18beecfdd2ec6b43b0e624fd0d6de9dd7244ee4be32ca7c852710cc77
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF contains a large number of external links, many of which point to similarly structured URLs on different domains, indicating a potential SEO poisoning or link farm attack. The document body, while containing seemingly innocuous text about cleaning a sterilizer, also embeds URLs that lead to other PDF files. This suggests the primary goal is to redirect users to malicious content hosted on these external sites, likely for phishing or malware distribution.

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://violetscape.com/uploads/1/3/0/5/130588263/130588263.html#how+to+clean+munchkin+steam+guard+electric+sterilizer
    • http://the-easy.life/uploads/1/3/0/4/130477085/zezivikefimoxi_tupajesigisisu.pdf
    • http://www.m1cafebar.com/uploads/1/3/0/4/130489331/radixagu.pdf
    • http://www.awakeninginitiatives.info/uploads/1/3/0/4/130489172/6a411.pdf
    • http://sessionninephotography.com/uploads/1/3/0/5/130547486/tewewexojuva.pdf
    • http://celebrationinajar.com/uploads/1/3/0/6/130640062/mubolaruvodenowonu.pdf
    • http://mkollaras.com/uploads/1/3/0/5/130588467/87e51406df30d59.pdf
    • http://forumlogistics.eu/uploads/1/3/0/7/130776814/9d4d7bb0.pdf
    • http://mail.andykozar.com/uploads/1/3/0/7/130738887/mujawot_memuvipisaw_sapit_pifafeguvil.pdf
    • http://saycheeseonlineorder.com/uploads/1/3/0/6/130639424/1242309.pdf
    • http://elizabethsryan.com/uploads/1/3/0/7/130776063/8672db8ec54f4.pdf
    • http://nowaysir.com/uploads/1/3/0/5/130539225/rozepatenupamilez.pdf
    • http://www.wealthprotectioninnovationexperts.com/uploads/1/3/0/5/130543170/bokikov.pdf
    • http://epiphco.com/uploads/1/3/0/7/130776299/sekibusasodi.pdf
    • http://www.coachingpatients.com/uploads/1/3/0/9/130969185/a0d1735a.pdf
    • http://naturesedge-fl.org/uploads/1/3/0/6/130639676/870113.pdf
    • http://3c-battery.com/uploads/1/3/0/7/130775876/fa6c0886eca7.pdf
    • http://thegreatberlinwall.com/uploads/1/3/1/0/131070035/lujemiralid.pdf
    • https://www.munchkin.com/clean-electric-sterilizer.html
    • 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_off0000679c.bin
f9a542b792c2d88bcd9d1a2ae6bca9900162f9b1e017324aa03b8ff839239217		 pdf-font-stream PDF embedded font (sfnt) at offset 0x679C 7820 bytes

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