PDF malware analysis — malicious · 36674c6de0743838

MALICIOUS

PDF

41.2 KB Created: 2020-08-17 11:52:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 15a0d324580772eb58b76135a2fe9241 SHA-1: a1ef1b5691a1886353b977f7f39a11ff796a3afe SHA-256: 36674c6de074383839b32cb3dcb6ed96ebb5d39a46914ae69d7c3c50ec0a2610

160 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1566 Phishing T1566.002 Spearphishing Attachment T1027 Obfuscated Files or Information T1553 Subvert Trust Controls T1553.005 Mark-of-the-Web Bypass

The PDF contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link redirects to a known malicious infrastructure at ttraff.cc. The document also contains instructions to disable security software, a common tactic to bypass defenses. The presence of a link farm and a malicious redirector suggests an attempt to distribute further malware or phishing content.

Heuristics 4

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.
Security software disable instruction high SE_SECURITY_BYPASS

Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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=craft+the+world+game
- http://muvotifo.ninerdomesticdesigns.com/uploads/1/3/0/8/130873987/tugedirixudituf-lufikuvolipufip-tumuzelazu.pdf
- http://files.shamrockbusinesscentre.com/uploads/1/3/1/1/131164538/8052118.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tinoled.pdf
- https://cdn.shopify.com/s/files/1/0436/9770/1032/files/70201505631.pdf
- https://cdn.shopify.com/s/files/1/0433/0936/7454/files/44847411919.pdf
- https://cdn.shopify.com/s/files/1/0430/0577/1927/files/colocar_assinatura_digital_no.pdf
- https://cdn.shopify.com/s/files/1/0429/8738/9087/files/sosilebuj.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/ziwodukujaluladiludu.pdf
- https://cdn.shopify.com/s/files/1/0428/5313/8591/files/xikob.pdf
- https://cdn.shopify.com/s/files/1/0441/2289/8584/files/temperament_test_download.pdf
- https://cdn.shopify.com/s/files/1/0431/2642/3701/files/vevezo.pdf
- https://cdn.shopify.com/s/files/1/0432/6958/7104/files/36545399556.pdf
- https://cdn.shopify.com/s/files/1/0434/2448/1431/files/dofowofoni.pdf
- https://cdn.shopify.com/s/files/1/0434/4247/1064/files/losizazatetoxemepes.pdf
- https://cdn.shopify.com/s/files/1/0429/6127/2995/files/20489167045.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.

Filename	Kind	Source	Size
`font_00_sfnt_off0000647c.bin` `4e159ba90d8ad2fca0cbc5d1609d52b772c73cc2e26f00b375d095278896c44c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x647C	5140 bytes
`font_01_sfnt_off000075e6.bin` `0a8452f3544d10b0dd9d4f9f27f9211161407cd4c4bc75542b0150e16a5a3142`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x75E6	10052 bytes

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