PDF malware analysis — malicious · bd49df08b61ef1d1

MALICIOUS

PDF

57.1 KB Created: 2020-08-30 18:09:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7957890b4d8f2a6d4a1f547e7ac2afc6 SHA-1: a7bdc026c590207c3d4db0d7b6e8e1185b9370fa SHA-256: bd49df08b61ef1d1dab24ca2b1c110225fd925e71e08978c370520297da2b8c0

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF file contains multiple embedded links, with one identified as a malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'SE_MFA_LURE' indicate a phishing attempt, likely to harvest credentials or session tokens. The document body, though heavily obfuscated, contains the URL https://ttraff.me/wix?keyword=substitui+caracteres+especiais+de+co, which is flagged as malicious. The presence of a link farm suggests an attempt to manipulate search engine results or distribute content broadly.

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.
MFA / one-time-code harvesting lure high SE_MFA_LURE

Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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=substitui+caracteres+especiais+de+co
- https://cdn.shopify.com/s/files/1/0428/9665/4489/files/abstract_reasoning_test_philippines.pdf
- https://cdn.shopify.com/s/files/1/0430/6750/6837/files/les_miserables_i_dreamed_a_dream_piano_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0439/2960/0168/files/wipupos.pdf
- https://static.usrfiles.com/ugd/b8c837_69864e2194be4bcab8c9cf96bf64d9ec.pdf
- https://static.usrfiles.com/ugd/ea78e0_261c9714671f40d787b414fe482a52d1.pdf
- https://static.usrfiles.com/ugd/0c41e7_e5ae0d90b53744d08093626f7d97abf5.pdf
- https://static.usrfiles.com/ugd/12dc78_9305a7ff416a47f1b5679112d5a0d01a.pdf
- https://static.usrfiles.com/ugd/3aca14_4b78d94a74264959aa068c6bebde4bb9.pdf
- https://static.usrfiles.com/ugd/362633_98ab51cb9c074817a9409185b561b134.pdf
- https://static.usrfiles.com/ugd/b8c837_6d19acdc6c0d443094c25e9c23efd574.pdf
- https://static.usrfiles.com/ugd/b8c837_55d3f6d278d84667b42ec3c2829b52a1.pdf
- https://static.usrfiles.com/ugd/b8c837_67eb762db99e4ba8b7a975c89bef35a9.pdf
- https://static.usrfiles.com/ugd/b8c837_8824fff3260844e684a91751329d327b.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_off00008af9.bin` `def6f9d30709fa3a1c0d7fee746a724c849a86db30fe701f1355af27f1505ccf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8AF9	5276 bytes
`font_01_sfnt_off00009ce2.bin` `d566ba5d403e0c2b2db51c94aad7fea14e4366bb9db05b7628b8a85960ad063c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9CE2	20476 bytes

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