MALICIOUS
168
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains a link farm and a malicious redirector URL, suggesting it's part of a phishing campaign. The heuristic firings indicate it's a lure for invoice/payment information and potentially MFA harvesting. The embedded URLs, particularly the malicious redirector at https://ttraff.ru/wb?keyword=tds%20form%2016b%20download%20pdf, are the primary indicators of malicious intent. No scripts were extracted from this sample.
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument 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
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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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Embedded URL info EMBEDDED_URLOne 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.ru/wb?keyword=tds%20form%2016b%20download%20pdf
- http://files.fdmolinares.com/uploads/1/3/0/7/130739982/6257038.pdf
- http://giwuked.nonstopfunsocal.com/uploads/1/3/1/4/131454065/b5b0c39c2ab7.pdf
- http://files.ccfnei.org/uploads/1/3/0/9/130969742/nozud_pezagejuvu.pdf
- http://bibunik.thedragonslibrary.net/uploads/1/3/1/4/131437823/8218317.pdf
- https://cdn.shopify.com/s/files/1/0434/9257/3334/files/theileria_in_cattle.pdf
- https://cdn.shopify.com/s/files/1/0431/2596/4957/files/5192102186.pdf
- https://cdn.shopify.com/s/files/1/0432/4347/1003/files/visio_2010_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/siwizobudavegi.pdf
- https://cdn.shopify.com/s/files/1/0431/5699/6245/files/xokibawexujetudewexoze.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/miveguxuxububepevomozit.pdf
- https://cdn.shopify.com/s/files/1/0429/9112/4643/files/duweloxuwusaterotilibo.pdf
- https://cdn.shopify.com/s/files/1/0430/7252/0352/files/17615967590.pdf
- https://cdn.shopify.com/s/files/1/0435/9972/4702/files/34039775749.pdf
- https://cdn.shopify.com/s/files/1/0433/0638/5558/files/gigiwajap.pdf
- https://cdn.shopify.com/s/files/1/0428/4337/3735/files/8557430465.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_off000067d6.bineeaeaf2596b923531518529c5dafa6e0d19a174b7da4e0f86e9d62aa46f8a5bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67D6 | 5576 bytes |
font_01_sfnt_off00007ac5.bin472539dd0a2e23d273db91200f282e562f74f1fb2ddd58b8bd515d50c4ec200d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AC5 | 10180 bytes |
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