Malicious PDF — malware analysis report

Static analysis result for SHA-256 889b46b0266b10f9…

MALICIOUS

PDF

67.1 KB Created: 2020-03-12 04:11:01 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6ff87b78717bd27c5c3ade6866a8a372 SHA-1: a5a408332107bf7df251c541250227a13de7b02c SHA-256: 889b46b0266b10f93e3c51566a6119044ccbb08b4148922aef94510aa0bd35a1
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or redirection scheme. The document body contains garbled text and embedded URLs, further supporting the attack pattern of directing users to external malicious sites. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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://yghu17.bdgct.com/uploads/1/3/0/5/130550706/130550706.html#acetic+acid+methanol+carbonylation
    • http://orlandoforeclosurelaw.net/uploads/1/3/0/5/130545249/e6018802e7a29ec.pdf
    • http://gg.andreganz.de/uploads/1/3/0/5/130547812/2941581.pdf
    • http://domainedelalbejot.fr/uploads/1/3/0/5/130588410/nafimebesezu.pdf
    • http://srpjewelry.com/uploads/1/3/0/4/130436298/c0d4af6475.pdf
    • http://msgray.org/uploads/1/3/0/2/130287896/sepozuwikusa.pdf
    • http://nutritionrxllc.com/uploads/1/3/0/5/130551925/61858fa.pdf
    • http://www.therobotsgarden.com/uploads/1/3/0/4/130483697/911046.pdf
    • http://omahaventuregroup.org/uploads/1/3/0/7/130776100/fifavek-jedodemex-kalemafarazi-sotenadamajasi.pdf
    • http://colo-horse.com/uploads/1/3/0/4/130491947/3452064.pdf
    • http://jakebrenneise.net/uploads/1/3/0/4/130436239/mebejegopebuxevalaz.pdf
    • http://shanghaishopper.com/uploads/1/3/0/2/130272282/kexexilomibadali.pdf
    • http://riseatthelakeshore.com/uploads/1/3/0/6/130620981/bcc2c7d5a91be.pdf
    • http://formerfdainspectors.com/uploads/1/3/0/5/130551049/xixez.pdf
    • http://jinglejangle.life/uploads/1/3/0/3/130312913/busiloxidumir.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_off0000bece.bin
99a22c964cdfd83856bda6ed63269a9cadc46f965daf70b6bbd2e94a66ec89dd		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBECE 8692 bytes
font_01_sfnt_off0000dfa0.bin
8b292db283a0ef49a4a24478c14192a15b25ce9841f4f7b0b0b6b6b294ab5ea1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDFA0 2684 bytes
font_02_sfnt_off0000e936.bin
b3affdfdfee497c2d3230853582529cf395d265bfdbb8cde7d84ae9c33602211		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE936 16036 bytes

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