PDF malware analysis — malicious · f66e3147defd457a

MALICIOUS

PDF

41.4 KB Created: 2020-08-12 02:47:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 806794090b1e9c645a3dd138be7e8512 SHA-1: 8cbf6b4e6ea45a474d84b000fc273a836f18d811 SHA-256: f66e3147defd457a45a41631d03e92f70e4ef1b744881bfe5a01dd3986c445b0

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, many of which point to suspicious or unknown domains. One critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains URLs that are likely part of this link farm. This suggests the primary purpose is to redirect users to malicious 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/wb?keyword=talk%20about%20yourself%20in%20english%20pdf
- http://files.mentorlylarye.com/uploads/1/3/2/7/132712326/kukatem.pdf
- http://files.veilliestarrcomics.com/uploads/1/3/2/7/132710565/8346750.pdf
- http://files.ravenhillbotanicals.com/uploads/1/3/0/8/130874400/6bf4325387c5f9.pdf
- http://dexejunub.magicalcelebrationsutah.com/uploads/1/3/0/7/130739615/xusonodijeniwisedag.pdf
- http://files.teambirths.com/uploads/1/3/0/7/130775002/tazabir.pdf
- https://cdn.shopify.com/s/files/1/0431/8206/3777/files/tapigekevutipa.pdf
- https://cdn.shopify.com/s/files/1/0432/1266/9089/files/66644106030.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96951977507.pdf
- https://cdn.shopify.com/s/files/1/0429/2011/6387/files/box_dieline_vector.pdf
- https://cdn.shopify.com/s/files/1/0429/4190/7100/files/bronze_horseman_pushkin.pdf
- https://cdn.shopify.com/s/files/1/0431/6043/6887/files/kapeku.pdf
- https://cdn.shopify.com/s/files/1/0430/7465/0261/files/miloxazexarasez.pdf
- https://cdn.shopify.com/s/files/1/0430/7383/1072/files/gekow.pdf
- https://cdn.shopify.com/s/files/1/0433/0877/7637/files/articulo_de_opinion_sobre_la_tecnologia.pdf
- https://cdn.shopify.com/s/files/1/0432/4828/7912/files/us_flag_history.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fuwemosuwizukuxitakalav.pdf
- https://cdn.shopify.com/s/files/1/0448/3586/4736/files/bibliology_notes.pdf
- https://cdn.shopify.com/s/files/1/0434/5433/3093/files/karitu.pdf
- https://cdn.shopify.com/s/files/1/0434/3991/5164/files/rutin.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_off00006380.bin` `c57e55541d49adee78bdf79e49e5a9a29082cec4ae73e55fdb5840c035042e59`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6380	5560 bytes
`font_01_sfnt_off00007660.bin` `176db82ba07b59f5ee363baf45cbd3f9d513a029dcfcb2cea1201a1d30fe08a3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7660	10060 bytes

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