Malicious PDF — malware analysis report

Static analysis result for SHA-256 92355adc743f4be0…

MALICIOUS

PDF

63.7 KB Created: 2020-03-21 03:19:11 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2020-09-24
MD5: 5d9912294e84b5461b2de1a71b8ef326 SHA-1: 1f623cb3092b191d95cb8c889ba7d6a35bc2a8e1 SHA-256: 92355adc743f4be03331921374035b5a437be270c46fb746cb5dcf76004073dc
96 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 a URL that points to 'mybudgetlifestyle.com', and many other similar URLs were extracted. This suggests the document is part of a link farm or SEO spam campaign, potentially leading to malicious content or phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://mybudgetlifestyle.com/uploads/1/3/0/5/130588920/130588920.html#flora+bosque+tropical+humedo PDF link annotation
    • http://nuditosytrapitos.com/uploads/1/3/0/3/130312991/vigusugafimes.pdfIn PDF document text
    • http://brainflair.com/uploads/1/3/0/5/130539109/1723541.pdfIn PDF document text
    • http://michelziesecke.com/uploads/1/3/0/7/130776486/xogasuze_zojupapirej_japelurix.pdfIn PDF document text
    • http://www.borgicdesigns.com/uploads/1/3/0/3/130323384/dotatabakelebu.pdfIn PDF document text
    • http://ishagya.com/uploads/1/3/0/6/130620902/rivuzifon_dalurozozexefit.pdfIn PDF document text
    • http://purifysoap.ca/uploads/1/3/0/7/130739524/renajemesa.pdfIn PDF document text
    • http://makingwavesshop.com/uploads/1/3/0/6/130604580/5167652.pdfIn PDF document text
    • http://santo-plastic-mold.com/uploads/1/3/0/8/130814295/7446274.pdfIn PDF document text
    • http://www.myheritagefence.com/uploads/1/3/0/5/130539718/miboseme.pdfIn PDF document text
    • http://74-123-77-1.mgwnet.com/uploads/1/3/0/7/130776852/2aaeffa62f74.pdfIn PDF document text
    • http://www.ecphx.com/uploads/1/3/0/7/130776182/5932377.pdfIn PDF document text
    • http://www.psrglobal.net/uploads/1/3/0/8/130873916/377d4223a46a913.pdfIn PDF document text
    • http://boatinsurance.wales/uploads/1/3/0/5/130590717/9406984.pdfIn PDF document text
    • http://easysmartchoice.net/uploads/1/3/0/8/130873855/zikomimaxelutef-sozikejikilor-xejemob-fubuwojof.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ae7a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAE7A 9648 bytes
SHA-256: 775efdc68f64e76124434a9842b0babed6af703090dc286d0e6ea5af4b5091a1
font_01_sfnt_off0000d0fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0FE 2652 bytes
SHA-256: e91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc
font_02_sfnt_off0000da65.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA65 16036 bytes
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63

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