Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad2f3a44a5ccad7d…

MALICIOUS

PDF

66.6 KB Created: 2020-06-04 18:22:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7f146d9a1e76545e90372e24f82e5896 SHA-1: 600767515ed5cce682588f723b2728f7ff03d1e3 SHA-256: ad2f3a44a5ccad7d86e5ce8ef018a2ffc24c199427ffc92cda8e88d5ee09f004
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to other PDF files hosted on unrelated domains. The document body mentions 'Amadeus tutorial pdf', suggesting a lure to attract users to click on these links. The heuristic 'PDF_SEO_LINK_FARM' indicates a deliberate attempt to create a link farm, likely for SEO manipulation or to host malicious content. No scripts were extracted from this sample.

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://suranceamerica.com/uploads/1/3/0/3/130379409/130379409.html#amadeus+tutorial+pdf
    • http://maughan.law/uploads/1/3/0/7/130776300/a378b00ac4dfe8.pdf
    • http://corporatv.com.br/uploads/1/3/1/4/131438583/1429888.pdf
    • http://hennajalauri2019.com/uploads/1/3/0/4/130476539/5018067.pdf
    • http://nyati-apiaries.com/uploads/1/3/1/4/131407236/2471375.pdf
    • http://arbexamsupport.com/uploads/1/3/0/2/130271255/e44806ff4344.pdf
    • http://stepbystepmontessoriacademy.ca/uploads/1/3/0/8/130813643/fatoboropajib.pdf
    • http://fpvdeathrace.com/uploads/1/3/0/6/130603744/xakogexexokala-mujosuwet-xagoz.pdf
    • http://super8transferhd.taletta.com/uploads/1/3/0/6/130604767/6246388.pdf
    • http://angrybirds2retailers.com/uploads/1/3/0/6/130620791/fuwasobinukoxikogaf.pdf
    • http://pabmx.ca/uploads/1/3/0/3/130313366/xilebofe.pdf
    • http://csrgracing.maryhigginswebdesign.com/uploads/1/3/0/7/130738725/bovijo.pdf
    • http://33c7u.bpmtc.com/uploads/1/3/0/2/130291971/195966.pdf
    • http://cpanel.flynndistribution.com/uploads/1/3/0/7/130739256/kibudumoni-riguve-lapev-doladodonuzote.pdf
    • http://suranceamerica.com/uploads/1/3/0/3/130379409/terms.html
    • http://suranceamerica.com/uploads/1/3/0/3/130379409/dmca.html
    • http://suranceamerica.com/uploads/1/3/0/3/130379409/policy.html
    • http://maughan.law/uploads/1/3/0/7/1307
    • https://buluzoti.files.wordpress.com/2020/06/simuwabulinubitosut.pdf
    • https://nadomanope.files.wordpress.com/2020/06/19561015892.pdf
    • https://molozujepaxu.files.wordpress.com/2020/06/55765257551.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_off0000d781.bin
d589889031da96dc08db2d2178579b7eb00091f38f52dec5f3fab2d8d87f6f05		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD781 11408 bytes

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