PDF malware analysis — malicious · c72e1d2ae6ca1b0a

MALICIOUS

PDF

42.4 KB Created: 2020-08-31 17:52:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 416c261112ec624eeb6f485add21e0cb SHA-1: 2afbe3e75adef435c4f0d987cb890e6f1b8976a1 SHA-256: c72e1d2ae6ca1b0a364ac0abe442665e74ea64646e88d8b37f6b8be0afb94ff9

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to a 'caste validity certificate form' and the malicious URL. This suggests a phishing attempt to redirect users to malicious content.

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.com/wix?keyword=caste+validity+certificate+form
- https://cdn.shopify.com/s/files/1/0428/4402/9084/files/ardaas_karaan_all_song.pdf
- https://cdn.shopify.com/s/files/1/0434/6164/0358/files/defiforoxozaxerokujewud.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/93616534700.pdf
- https://cdn.shopify.com/s/files/1/0437/9849/5389/files/14265167199.pdf
- https://cdn.shopify.com/s/files/1/0430/8271/1201/files/vumomudujefewixifamuvodi.pdf
- https://static.usrfiles.com/ugd/b8c837_fe32f41167d64790aa6cbf2f5ab06d77.pdf
- https://static.usrfiles.com/ugd/39cb9d_d8df11773229453aa1db34085fa4c6c8.pdf
- https://static.usrfiles.com/ugd/1fa6dd_4c8e3a95f7064079ad59670949317142.pdf
- https://static.usrfiles.com/ugd/37321e_e3fff601468a41288d724b1f49a2df78.pdf
- https://static.usrfiles.com/ugd/b7306e_6f88911296eb47d8a31f50edd1ef9c2e.pdf
- https://static.usrfiles.com/ugd/b8c837_195e3f0534ea465ca49fba8be2f43f65.pdf
- https://static.usrfiles.com/ugd/a8ca0f_9f4338d3430948afb37dcc3cdb86d924.pdf
- https://static.usrfiles.com/ugd/b8c837_c5569e5a44254fd6b922c71d7cbc4c88.pdf
- https://static.usrfiles.com/ugd/07e02c_1b867f2538034b1d98f338547e7f1c9e.pdf
- https://static.usrfiles.com/ugd/b8c837_d78f471f79da4167b0a7e9953e87252a.pdf
- https://static.usrfiles.com/ugd/2f8cea_ed90fa2dff5d4a569feffbe17f3b9bad.pdf
- https://static.usrfiles.com/ugd/b8c837_9171afc45e8b4b4cacd8a07933505dd2.pdf
- https://static.usrfiles.com/ugd/73f3b0_4d9ad3631cab4d1faf6abcfa33f5e941.pdf
- https://static.usrfiles.com/ugd/6846fe_5c6256f99e824bbd9d190011199cecb1.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_off00006862.bin` `fe3c7703de52b5f508abd217fe850dd4302b1f40beb437fa6d46793e4df1d10f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6862	5232 bytes
`font_01_sfnt_off00007a21.bin` `075708162419f7f98385d723fb022c7beb83bffcf555f810279ef062942c9fa1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7A21	10180 bytes

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