Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf4e216a81560522…

MALICIOUS

PDF

35.6 KB Created: 2020-03-06 16:34:39 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3f7e2465dea25b1d56a6119d421b9303 SHA-1: c1e94ed74c484f61a51a129fe5e1795dd04fcfc0 SHA-256: cf4e216a8156052283dd7ba98d42b3ef4b392ea06fff30244d550a92831f34df
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, a common tactic for SEO spam and phishing. The document body, though heavily obfuscated, contains text related to IELTS practice tests, suggesting a lure to external content. The PDF_SEO_LINK_FARM heuristic confirms the presence of a link farm, indicating a malicious intent to redirect users. 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://mx.stampgeneral.com/uploads/1/3/0/9/130969262/130969262.html#ielts+general+training+reading+practice+test+with+answers+pdf
    • http://adamhenryink.com/uploads/1/3/0/6/130620467/213ccdd20be9b.pdf
    • http://mindfulevolution.net/uploads/1/3/0/3/130323724/1585f1257b66a8.pdf
    • http://brightlightconstructionllc.com/uploads/1/3/0/2/130271046/datosoposiwum.pdf
    • http://francescomaceri.com/uploads/1/3/0/6/130621111/a411e98.pdf
    • http://mail.karatevaikai.lt/uploads/1/3/0/5/130542920/gikulepotewepa_xofasunejen_gotuxako.pdf
    • http://southernstylestudioandmore.com/uploads/1/3/0/7/130738940/zemizufuzebibilimum.pdf
    • http://achillesstravoravdis.com/uploads/1/3/0/4/130483204/3830521.pdf
    • http://conquercoffee.com/uploads/1/3/0/6/130603822/lobuziwadesaj-tusubij.pdf
    • http://berryflats.net/uploads/1/3/0/7/130739430/fiduzezikurekuwo.pdf
    • http://domainesaintmichel-provence.com/uploads/1/3/0/6/130604162/1322869.pdf
    • http://www.hotelreservationscompare.com/uploads/1/3/0/5/130546244/dozalumuje_suveduratig_faropemavagaguw.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_off00006413.bin
5b51b3665cc998614795612ec69f50c0f3cea688c48743a901f084ee14eb4689		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6413 7428 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.