Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce8568ed7997a498…

MALICIOUS

PDF

42.0 KB Created: 2020-04-21 18:27:18 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8e50b77e9cee3bc485ce0caa71a6027c SHA-1: bcecb13ca59ce67abbc6f535e704c8c992ff11f6 SHA-256: ce8568ed7997a498c99f74eb8728f58b10c246f64e201d151915a082dfade114
62 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body text, though partially corrupted, suggests a lure related to PDF manipulation. The primary URL, http://stratford-hvac.com/uploads/1/3/0/5/130551106/130551106.html#add+text+to+pdf+windows, reinforces this theme. The extensive link farm indicates a likely attempt to distribute malicious content or conduct phishing operations.

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://stratford-hvac.com/uploads/1/3/0/5/130551106/130551106.html#add+text+to+pdf+windows
    • http://onebelief.us/uploads/1/3/0/4/130483902/3519366.pdf
    • http://wrestleshadetns.com/uploads/1/3/0/7/130740477/26cc4c840ffd267.pdf
    • http://therenewyouprogramme.com/uploads/1/3/0/2/130289653/96ebd3d3.pdf
    • http://foundpathgoods.com/uploads/1/3/1/4/131438046/lofeg_dibutu.pdf
    • http://zahnallianz.de/uploads/1/3/1/3/131383964/rivifelubi-bozafova.pdf
    • http://utahshypnobirthing.com/uploads/1/3/0/5/130544379/wutupepan-zakulisiw-garitigezisoro-gunuj.pdf
    • http://leilaezzat.com/uploads/1/3/0/7/130739202/nakidevafapoke.pdf
    • http://six10digital.com/uploads/1/3/1/4/131407010/5252184.pdf
    • http://alicelandry.com/uploads/1/3/0/7/130776726/jetupe.pdf
    • http://trendyagencymodels.com/uploads/1/3/0/3/130323290/78bbe248c.pdf
    • http://arjaymurray.com/uploads/1/3/0/3/130313190/tebavodab.pdf
    • http://msbizvirtualconsulting.com/uploads/1/3/0/6/130604434/449370.pdf
    • http://artistshore.com/uploads/1/3/1/3/131379394/fejotuz.pdf
    • http://blacktiebeardco.com/uploads/1/3/0/5/130540040/1d46df26.pdf
    • http://tovasdesign.com/uploads/1/3/0/2/130288381/53ac0dbae.pdf
    • http://utahshypnobirthing.com/uploads/1/3
    • 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_off00007a39.bin
b936866b6409179882569b6d91003a1551aa03e1b6d2676d9dbbb309368172db		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A39 8288 bytes

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