Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2b33adb70f0995c…

MALICIOUS

PDF

28.3 KB Created: 2020-05-12 09:38:42 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 083b097642dd49141e563b6e12d39e41 SHA-1: 10e9b71488f1e84dcbc038e1c864b8b214762016 SHA-256: a2b33adb70f0995c932a5314db257ed27361d3114504b0a26f9fe590239d616e
70 Risk Score

Malware Insights

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

The PDF document contains numerous external links, many of which are hosted on domains that appear to be part of a link farm. The document body text, though heavily obfuscated, contains language suggesting a 'pet claim form', which is a common lure. The presence of a PDF_SEO_LINK_FARM heuristic firing indicates a high volume of outbound links, likely intended to redirect the user to malicious content or phishing pages. No scripts were extracted from this sample.

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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://alacompange76.net/uploads/1/3/1/0/131070926/131070926.html#nationwide+pet+claim+form+printable
    • http://jbdevco.com/uploads/1/3/0/3/130313700/5720049.pdf
    • http://hoyuenrestaurant.com/uploads/1/3/1/4/131452950/ae4e57.pdf
    • http://eggresources.com/uploads/1/3/1/4/131437364/jaxelafer.pdf
    • http://networkhearing.net/uploads/1/3/0/5/130543050/vijilexotage.pdf
    • http://kinneylmft.com/uploads/1/3/0/5/130543059/xizijob.pdf
    • http://localmotives2018.com/uploads/1/3/0/5/130590295/migejovosakoz-juzatopafife.pdf
    • http://slumi.org/uploads/1/3/0/4/130483207/6358841.pdf
    • http://stainedpeacock.com/uploads/1/3/0/7/130739779/16493dd2.pdf
    • http://lourdeskerk.nl/uploads/1/3/1/4/131407849/9747541.pdf
    • http://twoglasses04.com/uploads/1/3/0/7/130775737/d72bac71b75785.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • 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_off000047cc.bin
147dfdc55432fdee5af99ff4377857f70958da7ec5148c782b12ecbb8ce0ffae		 pdf-font-stream PDF embedded font (sfnt) at offset 0x47CC 9256 bytes

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