Malicious PDF — malware analysis report

Static analysis result for SHA-256 b700e0e311a29022…

MALICIOUS

PDF

126.7 KB Created: 2020-03-07 23:08:41 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6f9984f3c50262eb442ecbcff41bae7c SHA-1: eff9f4dc550666aee11158f255852e5cdf4054be SHA-256: b700e0e311a290227e5160319e3ed2006647b1debfa92196f3cf8bd692686fb7
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of external links, many of which are numerically or generically named PDFs hosted on various domains. This pattern is indicative of a link farm designed to distribute malicious content or engage in SEO-based phishing. The document body text, though partially corrupted, mentions 'Acc aha af guidelines 2014', suggesting a lure to trick users into clicking the embedded links. 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://96izqg.bdgct.com/uploads/1/3/0/4/130488631/130488631.html#acc+aha+af+guidelines+2014
    • http://elainestandohar.com/uploads/1/3/0/5/130590391/xuvukalukezefujeteba.pdf
    • http://ageniart.com.au/uploads/1/3/0/7/130775257/ripodojagonoxezisime.pdf
    • http://mitziclarkyoga.com/uploads/1/3/0/4/130483781/a330c9.pdf
    • http://myeftquestion.com/uploads/1/3/0/2/130287895/kunodirininazokak.pdf
    • http://primesassurancevie.com/uploads/1/3/0/4/130476294/bebalexabewe_sovalozuw_xuzilober_dululagip.pdf
    • http://northernallureaesthetics.com/uploads/1/3/0/2/130288338/batotapipawako.pdf
    • http://drsdriverrecruitmentsolutions.com/uploads/1/3/0/5/130539305/8674096.pdf
    • http://hostmaster.alex-chien.com/uploads/1/3/0/6/130621045/bujazata-zuwuz-dururowodogix-nanenapaneg.pdf
    • http://ammavegkitchen.com/uploads/1/3/0/4/130435988/e2230773c4.pdf
    • http://mta-sts.mail.triratnaleicester.org/uploads/1/3/0/6/130621702/8040343.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_off0001b4f2.bin
d9f4726bb3073c105a582169365667283db62b6b0cda1c69c3c5f1d06606b53b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1B4F2 9344 bytes
font_01_sfnt_off0001d810.bin
6ce32c7926c6f21db5640dc1790b79ec78d1dba01d796f7b775dba7caf5b1ad9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1D810 16076 bytes

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