Malicious PDF — malware analysis report

Static analysis result for SHA-256 da30322f540e5ddb…

MALICIOUS

PDF

58.5 KB Created: 2020-03-10 08:03:48 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 0091a34f562a45dd5cd98ff8572bcf4f SHA-1: 9c41dae91952c5aae6c896225d006087093a9c2f SHA-256: da30322f540e5ddbae2a81c7f87c951740e9485080e929737de4d3a150df1b99
92 Risk Score

Malware Insights

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

This PDF file contains a large number of external links pointing to various domains, many of which appear to be part of an SEO link farm. The heuristic 'PDF_SEO_LINK_FARM' strongly suggests this malicious intent. The primary URL found in the document body, http://qpcym.slpny.com/uploads/1/3/0/8/130874475/130874475.html#pantoea+agglomerans+infection+in+dogs, is also part of this network. The overall goal appears to be manipulating search engine results or directing traffic to malicious content hosted across these domains.

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://qpcym.slpny.com/uploads/1/3/0/8/130874475/130874475.html#pantoea+agglomerans+infection+in+dogs
    • http://hqrecordingstudio.co.uk/uploads/1/3/0/6/130620863/bdb10832801e.pdf
    • http://www.rosecityhealth.com/uploads/1/3/0/5/130550672/20182818845c3.pdf
    • http://professionals-consulting.com/uploads/1/3/0/2/130274098/bcf955.pdf
    • http://smartbuytrader.com/uploads/1/3/0/2/130287527/6de9c.pdf
    • http://doulaginnysbirthsvcs.com/uploads/1/3/0/6/130605016/d33853.pdf
    • http://duckcreekgolf.com/uploads/1/3/0/7/130738700/mizoko.pdf
    • http://www.nordegghistoricgolf.com/uploads/1/3/0/3/130379590/2999107.pdf
    • http://diversified-resources.org/uploads/1/3/0/7/130776327/nusabexajorudolaz.pdf
    • http://michaeleggerl.com/uploads/1/3/0/4/130435556/939b667142bba34.pdf
    • http://prestigepainting.co/uploads/1/3/0/8/130874324/ad4a3d87e4.pdf
    • http://mybathbuddy.com/uploads/1/3/0/5/130544725/gitujewizi.pdf
    • http://www.ohioproperservice.com/uploads/1/3/0/2/130270918/ganopojilabuxogeva.pdf
    • http://ftgculture.com/uploads/1/3/0/5/130540026/kefewariximafi.pdf
    • http://amandabates.com/uploads/1/3/0/7/130739029/xewapof.pdf
    • http://buy-consoles.com/uploads/1/3/0/7/130739094/lapebipatijoso-luvoduke-wepesekuziwofi.pdf
    • http://mail.ingridliberte.com/uploads/1/3/0/3/130323302/1638491.pdf
    • http://deltank.net/uploads/1/3/0/4/130488311/5176759.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b311.bin
386707d4ffe6e54ded888b4d71e25e89e9385b5bebdce22e466385e3532f0773		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB311 8180 bytes
font_01_sfnt_off0000d281.bin
41d5c9cb4d60b7530e3cfd93a78efd430fe179aa57a8296e74fb8a971da4b0ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD281 2600 bytes

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