Malicious PDF — malware analysis report

Static analysis result for SHA-256 96663df2363a21f6…

MALICIOUS

PDF

47.3 KB Created: 2020-03-27 07:47:57 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 61bb94e7f2022efa15a385d6b5b5bde2 SHA-1: 70a0ab9051c8b61c2e0dc4652de0ec4ef6511871 SHA-256: 96663df2363a21f63f24e1efb9eea6230b0c6d16ea29baaf0e11edcf62a6a50b
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body contains text that appears to be metadata and some garbled content, but the primary malicious activity is the mass distribution of links to external PDF files. These links are likely used for SEO manipulation or to redirect users to malicious content hosted on numerous domains.

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://harrisonrappaport.com/uploads/1/3/0/6/130605515/130605515.html#maximillien+de+lafayette+website
    • http://sincelastscrum.com/uploads/1/3/0/7/130775119/novoxakinariwave.pdf
    • http://parentingwithoutpowerstruggles.net/uploads/1/3/0/7/130776420/61d7f0.pdf
    • http://bristolberlinvintage.com/uploads/1/3/0/4/130489131/kesewiwobu.pdf
    • http://whatcomstables.com/uploads/1/3/0/5/130550775/wesoladi.pdf
    • http://kenyounmachinery.com/uploads/1/3/0/2/130289711/ae734683f3ae8.pdf
    • http://cpanel.leasingwroc.pl/uploads/1/3/0/5/130539295/budaku.pdf
    • http://insciteillinois.org/uploads/1/3/0/2/130289282/sobaditujak-guzafadelilos-xotewedobi.pdf
    • http://buttoncrush.net/uploads/1/3/0/7/130739655/veseguwil_lopita_xipezuxax.pdf
    • http://a4jeunessethai.com/uploads/1/3/1/1/131163838/dijaxe_dabutuba_totadomunarula.pdf
    • http://mjmsolutions.org/uploads/1/3/0/7/130739201/3174283.pdf
    • http://mymoneybuilder.org/uploads/1/3/0/7/130738964/0704a907cf9280.pdf
    • http://itstheloopyllama.com/uploads/1/3/0/2/130288626/970d39709.pdf
    • http://mta-sts.cedargrovefepc.com/uploads/1/3/0/2/130270885/52b5d8dcabb3a5.pdf
    • http://www.northtacomayoga.com/uploads/1/3/0/8/130814208/gimajorobo_tawavuwonuwu.pdf
    • http://mindacare.com/uploads/1/3/0/9/130969129/jevafawas.pdf
    • http://watershed.one/uploads/1/3/0/7/130739280/fb32c30f885.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006bed.bin
2c6bf640dd78ab51fd02c7aaed0d7b6d6e57546135e4e46eae4b040b0e8beec5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BED 10336 bytes
font_01_sfnt_off000090fb.bin
1723f1ced37cc89d69e30f3df6281c5e5fb8989544fd4587aa75b00c91af2fd0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x90FB 1388 bytes
font_02_sfnt_off00009860.bin
f3be1ef4b384b8f77f873f05efd03813e81a9c5ad302a31af2e027d1fcb70238		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9860 7860 bytes

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