MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document exhibits malicious characteristics, primarily through its extensive use of external links. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates a direct link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=facebook+analysis+report+morningstar+pdf'. Additionally, the PDF_SEO_LINK_FARM heuristic reveals a large number of links pointing to various PDF files hosted on platforms like Shopify, suggesting a coordinated effort to distribute content or lure users. The ML classifier strongly supports the malicious verdict.
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=facebook+analysis+report+morningstar+pdf
- http://files.premiergymacademy.com/uploads/1/3/2/6/132681053/dobobopulo.pdf
- http://files.coldwatercreekranch.com/uploads/1/3/1/4/131406885/winofola.pdf
- http://nodevigi.octm.org/uploads/1/3/1/4/131437689/a291ef4ae14e3c.pdf
- https://cdn.shopify.com/s/files/1/0440/7253/4166/files/72330247473.pdf
- https://cdn.shopify.com/s/files/1/0429/6350/1222/files/78541065121.pdf
- https://cdn.shopify.com/s/files/1/0436/0686/8126/files/sukududenosemis.pdf
- https://cdn.shopify.com/s/files/1/0433/1244/7652/files/47303079316.pdf
- https://cdn.shopify.com/s/files/1/0450/6599/4392/files/autogenic_and_allogenic_succession.pdf
- https://cdn.shopify.com/s/files/1/0438/9984/6824/files/html_img_tag.pdf
- https://cdn.shopify.com/s/files/1/0433/3495/9256/files/principles_of_business_information_systems_3rd_edition_free_download.pdf
- https://cdn.shopify.com/s/files/1/0443/0499/0364/files/bodine_b50.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xizujebekox.pdf
- https://cdn.shopify.com/s/files/1/0429/8581/6218/files/43301283610.pdf
- https://cdn.shopify.com/s/files/1/0433/3672/8726/files/58065665107.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_off000086dd.bin62f337c5e9dcd8d64c0854c12ef5db572c093546ace711f917ec68c5e81e4426 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86DD | 5736 bytes |
font_01_sfnt_off00009a5b.binf6f786659f5af7a673b2ac9153133523cf02e4c6a4b75729611ce4c5e8391e68 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A5B | 10652 bytes |
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