PDF malware analysis — malicious · bafb09d61fbd5615

MALICIOUS

PDF

43.7 KB Created: 2020-09-02 11:37:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c141eab3200db0284e07c3ce8c1b7595 SHA-1: 824e92bbd76065d1f7abd292be3c41fe074dac46 SHA-256: bafb09d61fbd56156254a20fb19e6c247fcebe445b4ba128a10b120bf148689e

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a prominent link that functions as a call-to-action, disguised as a download button. This link directs users to a malicious redirector URL, which is a common tactic for delivering further malicious payloads or phishing sites. The presence of a link farm further indicates a malicious intent to distribute content through numerous external links.

Heuristics 4

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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.me/wix?keyword=assam+police+si+admit+card+2019
- https://static.usrfiles.com/ugd/e4a001_da344aa5346e4cf483eac7687df6e37f.pdf
- https://static.usrfiles.com/ugd/93971e_1f3e2b33a0314d048f261935e0c2ef92.pdf
- https://static.usrfiles.com/ugd/80685d_34908a8d549d49928d02de30bf51d1e9.pdf
- https://static.usrfiles.com/ugd/b8c837_7f476750cf7845febaeef278ee60f847.pdf
- https://static.usrfiles.com/ugd/55f640_b0707bb1c12f40239eae934e73536976.pdf
- https://cdn.shopify.com/s/files/1/0459/9676/9437/files/batusibadedimerepa.pdf
- https://cdn.shopify.com/s/files/1/0427/5165/6102/files/movikobufasofiwokafinod.pdf
- https://cdn.shopify.com/s/files/1/0428/1679/8886/files/24319180561.pdf
- https://cdn.shopify.com/s/files/1/0437/7850/6904/files/mejamud.pdf
- https://static.usrfiles.com/ugd/b8c837_1cb4107600054da8b5f169b8a7abdea4.pdf
- https://static.usrfiles.com/ugd/49be48_54a3a9c4b89f4d0b8e5d13eca8d686a4.pdf
- https://static.usrfiles.com/ugd/b8c837_543d269272a24a689d5f9a5bbf8546a8.pdf
- https://static.usrfiles.com/ugd/b8c837_aa232c00dec347458a860aaa1b17f07f.pdf
- https://static.usrfiles.com/ugd/e3ed1f_ed4c41459c964b3b8aa48085d4f62f9c.pdf
- https://static.usrfiles.com/ugd/510a18_443ac1b6180247bd975b7aef59c23b39.pdf
- https://static.usrfiles.com/ugd/8a419d_b1d9adebe9bb46eba136a178a0e8183f.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_off00006b0e.bin` `f5a1368cc89512c88c7b845bfa5c5eb9ffa733277c935293d4f0e09b8a505086`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B0E	5692 bytes
`font_01_sfnt_off00007e4e.bin` `ea03a3b581ebdd896a4fef3386371c780d55c107fbf6a18e0aa06e52b7d5f849`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7E4E	10460 bytes

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