Malicious PDF — malware analysis report

Static analysis result for SHA-256 98e007c6ba2db4eb…

MALICIOUS

PDF

43.2 KB Created: 2020-04-02 06:06:53 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 048499cd5f05d808828845ca6b09adde SHA-1: e6fcdc64c21505ed2ef260faea722a879c9459d4 SHA-256: 98e007c6ba2db4eb6a072901baf99b1d5b6d45937b8b6bc7a65b1c21c55a82ff
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The document body also contains a primary URL that points to an HTML file with a suspicious query string, and numerous other PDF links. This suggests the file is part of a link farm designed to manipulate search engine rankings or distribute further malicious content. No scripts were extracted, limiting deeper analysis of the payload.

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://sustainablefleet.com/uploads/1/3/1/1/131164358/131164358.html#deals+on+wheels+lonnie+scruggs+pdf
    • http://designcanadian.ca/uploads/1/3/0/3/130313790/7523848.pdf
    • http://adentaitalia.com/uploads/1/3/0/9/130970009/walitewek_kimidiporeta.pdf
    • http://antonandsarasbaby.com/uploads/1/3/0/2/130288412/vodovidodopuranugeje.pdf
    • http://gearuplp.com/uploads/1/3/1/4/131410311/6567889.pdf
    • http://mariahmichelle-portfolio.com/uploads/1/3/0/8/130814337/zabadamifefotigilut.pdf
    • http://abrushwithnature.studio/uploads/1/3/1/1/131164174/317578.pdf
    • http://farmchiccreations.com/uploads/1/3/0/6/130604785/kobujifoginaxamidi.pdf
    • http://stephonjohnson.com/uploads/1/3/0/9/130969987/kuvibuworuluruvegu.pdf
    • http://baltzerrobbins.com/uploads/1/3/0/5/130588850/luwegaz.pdf
    • http://simply-green-products.com/uploads/1/3/0/7/130776279/c99a57c44.pdf
    • http://truenorthgifts.com/uploads/1/3/0/6/130604401/8fede.pdf
    • http://www.roadclawtyres.com/uploads/1/3/0/7/130775776/e20272e89866f0.pdf
    • http://amazingbiologysc.com/uploads/1/3/0/6/130605390/kesowopujamub.pdf
    • http://workingclassweirdos.com/uploads/1/3/0/7/130776208/2cf5e.pdf
    • http://webcoments.com/uploads/1/3/0/2/130287419/netetenumuteset-ditome-zositukukow-jijuzefib.pdf
    • http://gen3realty.com/uploads/1/3/0/7/130775645/8226199.pdf
    • http://gourmet2day.net/uploads/1/3/0/7/130776085/likibenutoma-ramimapu.pdf
    • http://phiseo.com/uploads/1/3/0/5/130546519/6691426.pdf
    • http://arspecialtymeats.com/uploads/1/3/0/6/130621215/rukolil-rorodekizapifum-zuzajinugekama.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_off00007e64.bin
bd70f58456f39a5cad54efe79a9c8af9511bcc4de25bcc66098b01b5b27be264		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E64 8508 bytes

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