Malicious PDF — malware analysis report

Static analysis result for SHA-256 b11518f10572a61a…

MALICIOUS

PDF

36.6 KB Created: 2020-04-02 18:18:15 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 449712cbe9a80bcf65042747cdb258c3 SHA-1: 74af5c1cae1251f31d0149a095f7c2c26889ece2 SHA-256: b11518f10572a61ab1106833db1ff45354ca9ebe3dab056091f93a71fcc83a47
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 domains, many of which appear to be part of a link farm strategy. The document body also contains a URL that appears to be a lure for 'Black clover episode 63 english dub'. The primary attack pattern is to direct users to these external sites, which could host further malicious content or phishing pages.

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://healingbyferi.com/uploads/1/3/0/7/130775373/130775373.html#black+clover+episode+63+english+dub
    • http://smm-startups.com/uploads/1/3/0/4/130488544/7949903.pdf
    • http://iblockgroup.com/uploads/1/3/0/4/130476053/kemusujene_mivodib_gizijozaso_zikil.pdf
    • http://realhicks.com/uploads/1/3/1/3/131380415/6362743.pdf
    • http://savetheoakparkjcc.com/uploads/1/3/0/6/130603815/zoluvofi.pdf
    • http://marriageprom.com/uploads/1/3/0/8/130814652/gumitufidawizaruge.pdf
    • http://just-smurfs.net/uploads/1/3/0/4/130489696/3571883.pdf
    • http://housetechibiza.com/uploads/1/3/0/7/130739856/b4518.pdf
    • http://cjmuldoon.com/uploads/1/3/0/5/130539446/30b761.pdf
    • http://sweetmagnoliadecor.com/uploads/1/3/0/7/130739678/bekijarizak.pdf
    • http://journeysouthbay.com/uploads/1/3/1/4/131407882/kuruwa-xadajexaf-xotofavigutedir.pdf
    • http://cascadeinvestor.com/uploads/1/3/0/9/130968972/xobasupudarene.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_off00006a2b.bin
dfaf605c5c7efb4cc445075d52dbeb50b50874b270fb5aa206b5c557033a1a2e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A2B 6872 bytes

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