Malicious PDF — malware analysis report

Static analysis result for SHA-256 d58e1ceab8d1730e…

MALICIOUS

PDF

41.5 KB Created: 2020-03-22 10:05:53 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6b01472e5d8f6a960b615c2dc4974a28 SHA-1: b901141fc9786114ac0675076eddbceaf6820f5d SHA-256: d58e1ceab8d1730e6d96213e60fb495555fba1b795391ca2e80a64a723c09216
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, detected by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or SEO manipulation tactic. One specific external URI was also identified. The document body text is heavily obfuscated and appears to be mostly metadata and garbled content, but it does contain the URL 'http://blockchainambassador.ca/uploads/1/3/0/6/130605374/130605374.html#recetas+mexicanas+para+diabeticos+tipo+2'. 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://blockchainambassador.ca/uploads/1/3/0/6/130605374/130605374.html#recetas+mexicanas+para+diabeticos+tipo+2
    • http://boisecustomdecks.com/uploads/1/3/0/5/130588922/02af958b63a057.pdf
    • http://totalhairandbody.com.lceg.org/uploads/1/3/0/8/130814129/1268490.pdf
    • http://casahabana56.com/uploads/1/3/0/5/130588787/sunokujasoxenubafa.pdf
    • http://romanticism55.com/uploads/1/3/0/2/130289577/gomudubixeb.pdf
    • http://fringeparenting.com/uploads/1/3/0/4/130436441/wuriro-gunususula-bedojilazesap.pdf
    • http://pattayaladyboybarsurpriseyourself.com/uploads/1/3/0/7/130776676/fajuvej.pdf
    • http://gishack.com/uploads/1/3/0/7/130739916/buwusiwexa-pafuf.pdf
    • http://mastercreatorsadventureretreat.com/uploads/1/3/0/8/130813604/9228051.pdf
    • http://www.hotmc-alts.com/uploads/1/3/0/5/130542822/840668.pdf
    • http://eastcoasttransplants.com/uploads/1/3/0/5/130551935/874f5.pdf
    • http://oncallsafetytraining.com/uploads/1/3/0/8/130874086/rewobegetaxu_padodaw.pdf
    • http://gilpinenterprises.com/uploads/1/3/0/7/130738784/bomukof_degisexewiva_wisusaka_getov.pdf
    • http://ryanhellevang.com/uploads/1/3/0/4/130488451/8bf681f7d07ed35.pdf
    • http://vps21.pleasingfood.com/uploads/1/3/0/9/130968988/93d86667eb2cb.pdf
    • http://synapse-productions.com/uploads/1/3/0/7/130775023/9831663.pdf
    • http://hostmaster.lazydaysbb.net/uploads/1/3/0/7/130775342/2920953.pdf
    • http://americanepilepsyinstitute.com/uploads/1/3/0/8/130814675/rusavumedupole_zutobakosezoj.pdf
    • http://oakwoodequestrianfl.com/uploads/1/3/0/7/130739535/8729158.pdf
    • http://www.botoxduluth.com/uploads/1/3/0/5/130588173/849a457e3.pdf
    • http://www.perthkitchendoorreplacement.com.au/uploads/1/3/0/8/130814126/nomumazibenu.pdf
    • http://middletonlandcompany.com/uploads/1/3/0/7/130775934/98203997.pdf
    • http://www.melissasoldanoschoettle.com/uploads/1/3/0/6/130639524/b79f86b51.pdf
    • http://www.aurin.be/uploads/1/3/0/6/130639862/bofibajavapimo_pofatum_datuka_tuvaxo.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_off00007618.bin
4d624872d813cca0040ad02c914fd9a63dfc9de76ede716972bbbb4941b6f028		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7618 8904 bytes

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