Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e3fa11a27b6556e…

MALICIOUS

PDF

37.2 KB Created: 2020-06-12 17:49:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 71119909f8fc4c5fb87cb39a1c31c6ac SHA-1: bb316b113159860c6991ced45ddc6c77e91e9f1d SHA-256: 3e3fa11a27b6556ef3677918ef110cab9abacb9781eb6d25df130e4adbb03d76
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, many of which point to other PDF files on suspicious domains. This indicates a link farm strategy, likely intended to manipulate search engine results or distribute malicious payloads. The document body text appears to be a lure related to educational material, but the embedded links are the primary indicators of malicious intent. No scripts were extracted, limiting the analysis of direct execution capabilities.

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://beproudvotecloud.com/uploads/1/3/0/3/130379219/130379219.html#benim+hocam+tarih+konu+anlat%25C4%25B1m%25C4%25B1+2020+pdf
    • http://niblick2.com/uploads/1/3/0/8/130874219/newemujakevekux_wibirok.pdf
    • http://gandsescortservice.com/uploads/1/3/1/3/131381414/botewita.pdf
    • http://z9ts2wys9.butterfly520.com/uploads/1/3/0/2/130272859/wovijediw.pdf
    • http://hunt-archive.com/uploads/1/3/0/6/130620565/bineregatuvepeturo.pdf
    • http://coastalpropertypartners.com/uploads/1/3/0/6/130639510/wuteti.pdf
    • http://ipmofwa.com/uploads/1/3/1/4/131453170/kuxid_mebuxunigimimu.pdf
    • http://3xa.undesirable.us/uploads/1/3/0/6/130639180/2292539.pdf
    • http://jewliesjewels.com/uploads/1/3/0/5/130590482/kutibuvezebudobuwela.pdf
    • https://tofosigon.files.wordpress.com/2020/06/99393774006.pdf
    • https://resudixam.files.wordpress.com/2020/06/libuxopurovigaki.pdf
    • https://zomoxazira.files.wordpress.com/2020/06/tukolipagakox.pdf
    • https://felorige.files.wordpress.com/2020/06/foxagoleviwelulobojivu.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_off0000610f.bin
1665bf1d3a77205df43812950cf9d0d336c3eeef5693e48193df60ea6fb836b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x610F 12444 bytes

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