PDF malware analysis — malicious · 550153d3d5b27f57

MALICIOUS

PDF

69.1 KB Created: 2020-09-01 21:13:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3b3c1e342a197c3f5394229aaf1d7523 SHA-1: 2d467436da96ea9d0aa5e85759a424d4482af7c4 SHA-256: 550153d3d5b27f57cc16b9be24add29153193065153f398e643db91de79f6579

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.link/wix?keyword=dappu+srinu+ayyappa+bhajan+songs'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, including one to 'https://cdn.shopify.com/s/files/1/0439/9936/3222/files/18667889645.pdf'. The document body, though heavily obfuscated, contains the same redirector URL, reinforcing the malicious intent.

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.link/wix?keyword=dappu+srinu+ayyappa+bhajan+songs
- https://cdn.shopify.com/s/files/1/0439/9936/3222/files/18667889645.pdf
- https://cdn.shopify.com/s/files/1/0438/3725/9938/files/android_symbol_alle_apps.pdf
- https://cdn.shopify.com/s/files/1/0434/0328/0551/files/gabokironavixulap.pdf
- https://cdn.shopify.com/s/files/1/0438/6832/4005/files/lerilibe.pdf
- https://cdn.shopify.com/s/files/1/0431/8851/9080/files/vuwuxotufinew.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wexanenivoxepabulolud.pdf
- https://static.usrfiles.com/ugd/0ad6c7_573daebdebd24850b41b9b5967f9b6b6.pdf
- https://static.usrfiles.com/ugd/625844_d2b6eb5cc08b4c30a47e8f17b96d071d.pdf
- https://static.usrfiles.com/ugd/b8c837_99c392296dbf4d24ac4d164e98b1cf7d.pdf
- https://static.usrfiles.com/ugd/2274a7_2b489ed6bf014909a48298eb0bf6512b.pdf
- https://static.usrfiles.com/ugd/b4f0c6_806b3fdf13604df98e2def1981107712.pdf
- https://static.usrfiles.com/ugd/de60da_b8a6f6462e374dbb954cf6c2bf353024.pdf
- https://static.usrfiles.com/ugd/ace02d_e5ec3842a3e942a9b97f2e3c2f77bb6c.pdf
- https://static.usrfiles.com/ugd/2486b5_2122e668fce44dce8855ca2a112a82b1.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://cdn.shopify.com/s/files/1/0431/8851/9080

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00008547.bin` `f99076e6332e4f1e1edef04bec40796d7c944f81c755645a7bc1c6089f152656`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8547	5364 bytes
`font_01_sfnt_off0000978d.bin` `3ab311fd3cc3f3b407ed025b1968da382447e847f4d9cb9e0c773dfa668c8881`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x978D	18220 bytes
`font_02_sfnt_off0000c4a3.bin` `51b0f525fd2b906cf5a0c2769f97179167e8be4b8dd5d8cc2cf0d1c099687425`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC4A3	14416 bytes
`font_03_sfnt_off0000f20b.bin` `43254c6337662e76ed67025008a42d76121bee43b935a85a5f582473253d5118`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF20B	16096 bytes

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