PDF malware analysis — malicious · f2d7343864eb0236

MALICIOUS

PDF

46.2 KB Created: 2020-07-28 04:42:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8169fc3d72f4ea4a2d728f5bd54e070a SHA-1: c3a489c0b37ac18bbbc2d499a1fcdf38571fce31 SHA-256: f2d7343864eb0236bbd74e5808eb24fad2129d2b2e490c33d6c8969d1de65d89

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, identified as a PDF link farm. One of the primary links directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'CMS creditable coverage reporting', suggesting a potential lure for users seeking information on this topic. The presence of numerous links, including one to a malicious redirector, indicates an attempt to drive traffic to potentially harmful sites.

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.ru/pify?keyword=cms+creditable+coverage+reporting
- http://files.humateway.org/uploads/1/3/2/6/132682134/762291dd4c7.pdf
- http://files.easytoquit.org/uploads/1/3/1/4/131438759/ranoreragolepo.pdf
- http://files.obsgynatlantic.ca/uploads/1/3/2/6/132682335/dunovasepopu_rexijimijipidi.pdf
- http://files.humateway.org/uploads/1/3/2/6/132682
- https://cdn.shopify.com/s/files/1/0428/4809/2323/files/rupelonibadukig.pdf
- https://cdn.shopify.com/s/files/1/0428/6647/5164/files/wupizijaneresusufatavajak.pdf
- https://cdn.shopify.com/s/files/1/0432/2200/7969/files/32727168213.pdf
- https://cdn.shopify.com/s/files/1/0432/8023/6702/files/38731314535.pdf
- https://cdn.shopify.com/s/files/1/0433/4639/5304/files/45748903751.pdf
- https://cdn.shopify.com/s/files/1/0432/8023/6702/files/30315420174.pdf
- https://cdn.shopify.com/s/files/1/0429/2693/2124/files/makubokumudonufegasanifek.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/76222514852.pdf
- https://cdn.shopify.com/s/files/1/0428/6706/4998/files/33854502985.pdf
- https://cdn.shopify.com/s/files/1/0427/6004/4710/files/32999829062.pdf
- https://cdn.shopify.com/s/files/1/0428/8803/6505/files/tobabokodor.pdf
- https://cdn.shopify.com/s/files/1/0431/0463/2998/files/44924784941.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/32296476761.pdf
- https://cdn.shopify.com/s/files/1/0428/4815/7859/files/74729709096.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_off00007729.bin` `0ba985cf1bc8db15ee0cd33418d18d2ac01860b861cc18693d3761942512a7bb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7729	5404 bytes
`font_01_sfnt_off0000896f.bin` `54af53e7a054bfe9aee03eb50ed1741f5c18fa3877d0459361f53052d3c20e03`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x896F	9976 bytes

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