PDF malware analysis — malicious · 4e7ce518d4460ad9

MALICIOUS

PDF

44.4 KB Created: 2020-07-26 02:02:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5f9bc41fddc00bd0c07da0d8a22eb6c8 SHA-1: 4400f53330c12b68844a9fa42322de3aa8d83a2a SHA-256: 4e7ce518d4460ad91902b6c908f1b07467d03b8054771565407159249c913639

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, with a critical heuristic firing for a 'PDF_SEO_LINK_FARM'. One of these links points to a known malicious redirector. The document body appears to be heavily obfuscated or corrupted, preventing a clear understanding of its intended lure. The primary attack pattern observed is the creation of a link farm designed to distribute traffic to potentially malicious destinations.

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=khao+yai+tour+guide
- http://files.ntspatial.com/uploads/1/3/1/0/131070178/vevasakepojope.pdf
- http://files.minhquando.com/uploads/1/3/1/6/131606789/7610209.pdf
- http://files.andrewlcsw.com/uploads/1/3/1/3/131381542/setenefuzu-navom-kazugasawe.pdf
- http://files.relationshipsartcollection.com/uploads/1/3/1/6/131606335/149195.pdf
- http://files.westmauigreenway.org/uploads/1/3/1/4/131411542/bazimi.pdf
- https://cdn.shopify.com/s/files/1/0431/0247/0306/files/kepipe.pdf
- https://cdn.shopify.com/s/files/1/0427/6633/6167/files/63638141384.pdf
- https://cdn.shopify.com/s/files/1/0436/1030/8766/files/54628780448.pdf
- https://cdn.shopify.com/s/files/1/0430/1357/0709/files/22274407956.pdf
- https://cdn.shopify.com/s/files/1/0429/3401/0015/files/vupevavofozuwizenew.pdf
- https://cdn.shopify.com/s/files/1/0430/7006/2754/files/zefufisewijir.pdf
- https://cdn.shopify.com/s/files/1/0428/6713/0534/files/1169458863.pdf
- https://cdn.shopify.com/s/files/1/0432/2010/7424/files/pizuxawukazep.pdf
- https://cdn.shopify.com/s/files/1/0434/5459/5224/files/nugiw.pdf
- https://cdn.shopify.com/s/files/1/0431/3215/8116/files/99320718436.pdf
- https://cdn.shopify.com/s/files/1/0427/6623/7852/files/siwixirik.pdf
- https://cdn.shopify.com/s/files/1/0431/0079/9140/files/92582123349.pdf
- https://cdn.shopify.com/s/files/1/0434/5479/1832/files/94581853586.pdf
- https://cdn.shopify.com/s/files/1/0438/2746/2301/files/89852887411.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_off00007126.bin` `435757112ab90b35ed5e43770f8ffca8a0bbb7937dff7ba6b163483f2a949abd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7126	4724 bytes
`font_01_sfnt_off00008156.bin` `a8fc015743584e089e6d19b0dba5b14533a2d596545ec890275f83cbe564351e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8156	10564 bytes

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