PDF malware analysis — malicious · 52bcd7a4a451ea98

MALICIOUS

PDF

45.4 KB Created: 2020-09-17 11:57:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5bb6607e23bb8a7fa25536d68228cc17 SHA-1: fb79bf9778c1113f325335f870b054bfce9cdc23 SHA-256: 52bcd7a4a451ea984f280bba77b5254b1d1ac4169b85f6d78df89bafd28a94d3

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to car seat installation and also includes the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of a link farm further indicates an attempt to manipulate search engine results or distribute content broadly.

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.club/wix?keyword=evenflo+booster+car+seat+installation
- http://jiretinid.infiniteecoclean.com/uploads/1/3/1/3/131381679/71a20d5c3620.pdf
- http://pavifax.affordablewarbird.com/uploads/1/3/0/7/130775584/mepevupu.pdf
- http://files.morganephotos.com/uploads/1/3/1/6/131606640/xolawibirisupijoke.pdf
- https://089e7405-185a-44ae-8ed9-195bf641850b.filesusr.com/ugd/a12125_ed177c12f9e2475cb59901fa8ae2a839.pdf?index=true
- https://45cc4c2f-aa3c-46f4-8be0-b6ddb9539aa1.filesusr.com/ugd/10cedf_c37096c3daf94ebf8c38f25e75bc3923.pdf?index=true
- https://8678a6bc-0571-4943-8331-46c5c03d107e.filesusr.com/ugd/3d7af5_f6a9fedf1caa48b8947a3abf4a299395.pdf?index=true
- https://25af2dc3-4303-488e-855e-20b938314986.filesusr.com/ugd/cf9ff1_773f348a25d947f3bf7ea7f20e2ce704.pdf?index=true
- https://339db3a5-1725-4bb5-a508-1e07c72c9ffd.filesusr.com/ugd/cafc24_7473bd4cd698444b8aa6e3b1a047f10c.pdf?index=true
- https://97752b8a-c4fd-4c77-b139-10fa0e6641f2.filesusr.com/ugd/1e52da_f09bd9bc0d2d429cbc2e18255abd4ea3.pdf?index=true
- https://e65eda69-8cca-481f-8943-d73378768e92.filesusr.com/ugd/6f58fb_b11aca2161e44e2f85bb762883db138a.pdf?index=true
- https://cdn.shopify.com/s/files/1/0430/7386/3842/files/29552927413.pdf
- https://cdn.shopify.com/s/files/1/0435/6122/2307/files/centrelink_rent_certificate_form_su523.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/
- https://e65eda69-8cca-481f-8943-d73378768e92.filesusr.com/ugd/6f58fb_b11

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006670.bin` `90c349c245a91cd05bf2c41436c2c843ca2231966cdb262ce7cf0e67ef1455d2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6670	4820 bytes
`font_01_sfnt_off000076e0.bin` `5997e9227c329cb0a8c52d58640f175636080888003d87e68cc2cea58e3965d8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x76E0	10372 bytes
`font_02_sfnt_off00009a62.bin` `1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9A62	4324 bytes

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