MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains embedded links that redirect to a malicious domain, masquerading as a useful document. The ML classifier strongly indicates maliciousness, and the presence of a link farm suggests an attempt to distribute further malicious content. The document body text, though partially corrupted, contains the URL that is likely used as a lure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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/pify?keyword=persuasive+writing+checklist+pdf
- http://files.futurescapes21c.com/uploads/1/3/1/3/131398357/8743571.pdf
- http://zikor.ryan-wheaton.com/uploads/1/3/0/7/130738720/jetorox.pdf
- http://files.foursideddesign.com/uploads/1/3/1/3/131379706/furelijeti.pdf
- https://cdn.shopify.com/s/files/1/0438/0088/7457/files/vejowudataxuvudinow.pdf
- https://cdn.shopify.com/s/files/1/0430/6383/6834/files/49097818130.pdf
- https://cdn.shopify.com/s/files/1/0437/2742/1608/files/22707145186.pdf
- https://cdn.shopify.com/s/files/1/0429/2640/7833/files/84140266845.pdf
- https://cdn.shopify.com/s/files/1/0432/8180/9563/files/patasukixuvulekuxeto.pdf
- https://cdn.shopify.com/s/files/1/0433/0491/1006/files/bagifiru.pdf
- https://cdn.shopify.com/s/files/1/0431/4651/0504/files/79674733095.pdf
- https://cdn.shopify.com/s/files/1/0434/5774/0967/files/83223042223.pdf
- https://cdn.shopify.com/s/files/1/0429/7034/9731/files/48523118853.pdf
- https://cdn.shopify.com/s/files/1/0435/4618/1787/files/53376022463.pdf
- https://cdn.shopify.com/s/files/1/0432/0650/8701/files/elementary_differential_equations_10th_edition_solutions.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_off000076ee.bin773fd3f1eaae524c9a6be3797ed428cae1eda202f46ee6f01086a738b73c5695 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76EE | 5632 bytes |
font_01_sfnt_off00008a28.bin777b0a0217f2fd22532dc3fd9f2fefb8db21c09e7dc1b66af1417ec897f1dc15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A28 | 9904 bytes |
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