PDF malware analysis — malicious · 7c7d03a78a85fb1b

MALICIOUS

PDF

39.7 KB Created: 2020-08-01 21:33:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3a072069eba4afc116fec9ef9b5cef93 SHA-1: 7aadb67356cf077a5f3b88df30cb04609ac9e6c2 SHA-256: 7c7d03a78a85fb1bbee0592013648c7681cf4a022ec70fb7409e51cefeb327e5

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a lure related to 'Gta sa trainers' and embeds multiple external links. One critical heuristic indicates a malicious redirector link to 'https://ttraff.cc/pify?keyword=gta+sa+trainers', suggesting this is the primary malicious URL. Another heuristic flags the PDF as a link farm, with many links pointing to Shopify-hosted PDFs, likely for SEO poisoning or to obscure the malicious redirector. The presence of a 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggests the document may be intended to trick the user into providing a password for an encrypted archive, a common tactic to bypass gateway security.

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.
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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=gta+sa+trainers
- http://files.pictonlittletheatre.com/uploads/1/3/1/4/131453402/nafasaxujofusaj.pdf
- http://files.bhi5.com/uploads/1/3/1/4/131408415/xotesurimix.pdf
- http://files.glenkeith.org/uploads/1/3/2/6/132681409/b7d2a94a1.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/94448736580.pdf
- https://cdn.shopify.com/s/files/1/0431/1410/2950/files/nigaburo.pdf
- https://cdn.shopify.com/s/files/1/0431/4228/3432/files/74080285961.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32377204601.pdf
- https://cdn.shopify.com/s/files/1/0428/3337/9487/files/ropimepazofatefaso.pdf
- https://cdn.shopify.com/s/files/1/0440/3986/4485/files/24179602936.pdf
- https://cdn.shopify.com/s/files/1/0432/0067/6003/files/15287602082.pdf
- https://cdn.shopify.com/s/files/1/0432/3826/0899/files/17971560155.pdf
- https://cdn.shopify.com/s/files/1/0429/8945/3473/files/23664266170.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lozafawofife.pdf
- https://cdn.shopify.com/s/files/1/0431/5004/9448/files/ninologezixetajo.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_off00005f00.bin` `81f5b373b1b84a07d929c33bc13a174ae83217778067a946f5861591d37b84a3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F00	4676 bytes
`font_01_sfnt_off00006ef7.bin` `3e8f4bdecb9e0d8d22dd6f056218211cd02f4461d99f75c583d50299df8c681a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6EF7	10420 bytes

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