PDF malware analysis — malicious · ed4485ad93fa0909

MALICIOUS

PDF

66.4 KB Created: 2020-08-08 12:51:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 72762352a3f5e99928c42ac0fe3ac80f SHA-1: 8058c1935554b73025a6d397ec46b2ff0da2515a SHA-256: ed4485ad93fa090917e67fea041909b911cafe346e4c558bdfec7a2e44c93357

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=prescriptive+analytics+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many of which are hosted on Shopify. The document body, though heavily obfuscated, also contains the primary malicious URL. This suggests the document's primary purpose is to redirect users to malicious infrastructure.

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=prescriptive+analytics+pdf
- http://files.biodiversitymarine.com/uploads/1/3/2/6/132683000/jajupesetuvo.pdf
- http://files.madeunderthemoon.com/uploads/1/3/1/1/131164452/lewokevivu.pdf
- http://files.aquariusfunding.com/uploads/1/3/1/1/131164386/443476.pdf
- http://vujed.aycreative.co/uploads/1/3/0/7/130739590/75a178e58b7.pdf
- https://cdn.shopify.com/s/files/1/0428/5769/3347/files/cyclical_vomiting_syndrome.pdf
- https://cdn.shopify.com/s/files/1/0438/5194/0000/files/tajuzijanezabom.pdf
- https://cdn.shopify.com/s/files/1/0430/9742/4026/files/1079267613.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kulabegidubonigupux.pdf
- https://cdn.shopify.com/s/files/1/0430/6393/5129/files/allison_transmission_operators_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/9878/3382/files/76533063057.pdf
- https://cdn.shopify.com/s/files/1/0433/0291/2158/files/52172019478.pdf
- https://cdn.shopify.com/s/files/1/0429/0910/6343/files/28913613804.pdf
- https://cdn.shopify.com/s/files/1/0433/3476/2654/files/doxuwutisubevuwiza.pdf
- https://cdn.shopify.com/s/files/1/0430/9427/8293/files/fisofar.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000715c.bin` `bef1f4046312b102ed1952a77b436b3ee5f7a5302f6190b4d776ddb10893da87`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x715C	19560 bytes
`font_01_sfnt_off0000af6d.bin` `f3de6285e6367090af4567324f75c08d84c87ecc6b30d3e88a751b51cba2a1de`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAF6D	5312 bytes
`font_02_sfnt_off0000c1a0.bin` `75eb92c57b93ea1933a631a5b8f0319cb1201fa05c865f69e145ca8abcdceffd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC1A0	11524 bytes
`font_03_sfnt_off0000e783.bin` `52db30b66cfb76898988bc7c6ed152514c301740808ab95bec9c68e49df23550`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE783	16036 bytes

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