Malicious PDF — malware analysis report

Static analysis result for SHA-256 f75e167613e23709…

MALICIOUS

PDF

38.8 KB Created: 2020-03-24 14:03:50 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8718c82ad2f0d5df9ea6d6dbd72f7f68 SHA-1: e701f0eb1fa53da624ddde3c365dddf06c9102b2 SHA-256: f75e167613e2370974310e60d6081da5ee1e2475f4ee768230fbdfbb5fca4629
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or a method to distribute malicious content. The document body itself is largely unreadable due to encoding issues but contains a reference to a URL, which is also listed among the extracted IOCs. 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://meshayla.com/uploads/1/3/0/7/130738984/130738984.html#after+twenty+years+by+o+henry+questions+and+answers
    • http://sjb-productions.com/uploads/1/3/0/3/130323581/juperopel.pdf
    • http://passionatelymel.com/uploads/1/3/0/7/130738680/9d717cfc.pdf
    • http://taptapapps.com.au/uploads/1/3/0/6/130621082/lupiriwokef_zukexew_puxemorawuvi.pdf
    • http://southtynesideagainstbullying.co.uk/uploads/1/3/0/7/130775489/b75a0e8904b.pdf
    • http://www.aliahjan.com/uploads/1/3/0/5/130551386/wabogonaxoz.pdf
    • http://timecraftedrenovations.com/uploads/1/3/0/5/130545097/c2a57d8e.pdf
    • http://bombaspeerless.com/uploads/1/3/0/6/130640163/9729537.pdf
    • http://fosrocindia.com/uploads/1/3/1/0/131071298/fe0f5bb987.pdf
    • http://mail.anotherschoolofthought.com/uploads/1/3/0/7/130739817/e5965b.pdf
    • http://thorntonheathcricket.co.uk/uploads/1/3/0/5/130551941/ac3a5db62b4d2.pdf
    • http://www.meowsitting.co.uk/uploads/1/3/0/6/130639465/garune.pdf
    • http://cleveruico.com/uploads/1/3/0/5/130551083/rawuvef-pafikoba-juvor.pdf
    • http://mytjscatering.com/uploads/1/3/0/4/130477039/sojixexiri.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_off00006e2e.bin
0b1d6322675e1b4a2c248c90d487a57d315d7aafa07edf206f8aff987ad8e603		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E2E 8328 bytes

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