Malicious PDF — malware analysis report

Static analysis result for SHA-256 573b2cfdd27fe303…

MALICIOUS

PDF

40.6 KB Created: 2020-06-19 18:06:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a80d59112935b918d099477125cef50e SHA-1: 2139835f6034cbfefd74e48099aaa36da6198688 SHA-256: 573b2cfdd27fe303742a65a0dc369a6047da2887f6211e64ddf1a549460db034
70 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified as a PDF link farm. The document body also contains a URL that appears to be the primary lure. This suggests the file is designed to redirect users to malicious websites or download further content. No scripts were extracted, limiting the analysis of specific execution behaviors.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://zelt1.bpmtc.com/uploads/1/3/1/4/131408250/131408250.html#arousing+love+pdf
    • http://amorphousgroup.org/uploads/1/3/1/4/131406840/feganutixud.pdf
    • http://cre-8-or.com/uploads/1/3/0/2/130288430/bukurivuxaduwa-pibelajumugewo-tufivutub.pdf
    • http://hostmaster.lorimerconsulting.co.uk/uploads/1/3/1/6/131606123/9cadbc5049b0.pdf
    • http://alltep.com/uploads/1/3/0/6/130605315/goruwin.pdf
    • http://peaksorrento.com/uploads/1/3/0/3/130323914/47c6149.pdf
    • http://motorsportsdirt.com/uploads/1/3/1/4/131408738/11bd971188f06.pdf
    • http://cpanel.shanikajforeside.com/uploads/1/3/0/6/130621912/lizibutonif.pdf
    • http://bodybyjules.com/uploads/1/3/1/6/131606511/neketi.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_off0000623c.bin
c616f79f58f5c25902ffa940de9ae67d0821c676f5c1df585ec544e4044d2245		 pdf-font-stream PDF embedded font (sfnt) at offset 0x623C 4852 bytes
font_01_sfnt_off000072ca.bin
ee954cf7ec3f9cae8737318c28387580dc4d59ea62f0e68a37b731488944e674		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72CA 10576 bytes

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