PDF malware analysis — malicious · 96008e3ba9d4cf2f

MALICIOUS

PDF

41.0 KB Created: 2020-08-03 08:45:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 75d2d8dabc3f4c3fb231b7d41becb2a4 SHA-1: 023eed816d09522474ac120e56ada0d6b5ef5a1f SHA-256: 96008e3ba9d4cf2f34c5ba325708f6e0f81c43ebb7a83e5fc7bf98bf5942c6a5

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link that redirects to a known malicious infrastructure, indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'Dnd 5e tongues'. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, suggesting a link farm or distribution mechanism. The primary malicious IOC is the redirector URL.

Heuristics 3

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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.
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 https://ttraff.cc/pify?keyword=dnd+5e+tongues
- http://files.bryngwynict.co.uk/uploads/1/3/1/0/131070651/8ade2b24902.pdf
- http://files.robplath.com/uploads/1/3/1/4/131483097/tomefidatifon_sulavex.pdf
- http://files.babystepstosuccessfcc.com/uploads/1/3/1/4/131406600/wafuzegevedeb.pdf
- http://kejatip.gtvip.co/uploads/1/3/0/8/130814058/nozujofojixe_widuli_xevujoji_nujanokujixefif.pdf
- http://files.mavismakes.co.uk/uploads/1/3/0/7/130740490/1242344.pdf
- https://cdn.shopify.com/s/files/1/0439/7996/4574/files/40856840077.pdf
- https://cdn.shopify.com/s/files/1/0431/1682/2692/files/pexotedapemimudek.pdf
- https://cdn.shopify.com/s/files/1/0429/8774/9525/files/rosegewufixe.pdf
- https://cdn.shopify.com/s/files/1/0434/4732/0728/files/limadelogaresisaneb.pdf
- https://cdn.shopify.com/s/files/1/0428/9023/1974/files/tumumaxupetomagu.pdf
- https://cdn.shopify.com/s/files/1/0429/3849/9235/files/nikebawakaturakir.pdf
- https://cdn.shopify.com/s/files/1/0429/2263/9527/files/bezugaladitolovalu.pdf
- https://cdn.shopify.com/s/files/1/0432/1348/8292/files/62669314218.pdf
- https://cdn.shopify.com/s/files/1/0440/1476/4190/files/27371776431.pdf
- https://cdn.shopify.com/s/files/1/0432/3750/7240/files/donopegajuwijixegi.pdf
- https://cdn.shopify.com/s/files/1/0435/6043/5871/files/fefejugitug.pdf
- https://cdn.shopify.com/s/files/1/0436/0817/8850/files/rivesowozerewofularu.pdf
- https://cdn.shopify.com/s/files/1/0431/6856/3355/files/tusubawogakadulabat.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/
- https://cdn.shopify.com/s

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000063f9.bin` `4dbbad51adb904e2ccd5f7d0a16fd5e964bf255a8041870840be3413422033c9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63F9	4780 bytes
`font_01_sfnt_off0000745b.bin` `1efff07a211ed167ef50db1f459b3c05dee757839fc5e32a93b9c745180889e1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x745B	10052 bytes

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