Malicious PDF — malware analysis report

Static analysis result for SHA-256 bfabbae62f5c8804…

MALICIOUS

PDF

40.3 KB Created: 2020-04-01 17:01:47 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6b848eac5e7a92a81ba9d28ba6cb65a4 SHA-1: dd4504bbe147e69bd345ef3b3a5feb48398a0e1c SHA-256: bfabbae62f5c88047f74f1da963070cf4c97c0583b48698dffd9402044863dc4
70 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many pointing to other PDF files on various domains, indicative of a link farm or SEO poisoning tactic. The presence of a "download button" lure further supports the malicious intent. The primary goal appears to be directing users to external resources, likely to host malicious content or facilitate further infection vectors.

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://marchocean.com/uploads/1/3/0/5/130588532/130588532.html#p1456+honda+odyssey+code
    • http://mikeconstruction.org/uploads/1/3/0/4/130475973/00547e44.pdf
    • http://snarc.co/uploads/1/3/0/5/130542710/wuxigubil-kekinaru-pegub.pdf
    • http://saludverdaderafuxion.com/uploads/1/3/0/5/130540897/xevufunekerovo-wajimokebedogef-zenedepug-rabivi.pdf
    • http://bcdrywall.org/uploads/1/3/0/5/130588319/9138420.pdf
    • http://skoriginal.com/uploads/1/3/0/4/130436078/mewalowefusiz_wexapelasesix.pdf
    • http://delunesalon.com/uploads/1/3/0/6/130639765/c34c680b767.pdf
    • http://courtneyandwillis.com/uploads/1/3/0/7/130775715/sovizilebalesajut.pdf
    • http://djtanikgotbeatz.com/uploads/1/3/0/7/130775062/bemavixiridirafu.pdf
    • http://mergehi.com/uploads/1/3/0/4/130488987/6d44894787026.pdf
    • http://3stonespersonalorganizing.com/uploads/1/3/0/8/130874678/febofotadug.pdf
    • http://actual.chat/uploads/1/3/0/9/130969089/seniduvokaro-favarekekam.pdf
    • http://grapebank.com/uploads/1/3/0/6/130640084/cd11ba3832bd07.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_off00007532.bin
a2fc224d90519ed2bbf6df6cbba3d5965ba7ac326fbd92c7ed92e4638fd991da		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7532 7972 bytes

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