MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links to other PDF documents, characteristic of a link farm. One of these links, 'https://ttraff.me/wix?keyword=pnh+flow+cytometry+report', is identified as a known malicious redirector. The ML classifier also strongly flagged this PDF as malicious. The presence of a malicious redirector suggests an attempt to lure the user to a harmful site.
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.me/wix?keyword=pnh+flow+cytometry+report
- https://cdn.shopify.com/s/files/1/0482/8846/5051/files/vyapar_crack_for_pc.pdf
- https://cdn.shopify.com/s/files/1/0462/3161/7685/files/78494304500.pdf
- https://cdn.shopify.com/s/files/1/0433/9181/1734/files/physics_book_for_bsc_part_1_pdf.pdf
- https://static.usrfiles.com/ugd/733c1f_7c2b1757f2974d57ba4374c26e1d3108.pdf
- https://static.usrfiles.com/ugd/87fdc7_5b2ee0e18ecc49bd92f0593566b5bd36.pdf
- https://static.usrfiles.com/ugd/df73ab_972cd48b12d047e48e941019aac10958.pdf
- https://static.usrfiles.com/ugd/353d00_ea2a2575292f4cb2a247edc2e6773063.pdf
- https://static.usrfiles.com/ugd/d4df0f_22c49dcbdde744c6a7254f0683c83f6a.pdf
- https://static.usrfiles.com/ugd/2ac701_532ce48e629c4768982e0a44f157abe4.pdf
- https://static.usrfiles.com/ugd/b54ff4_b946ac468f9148bab64d179271f98862.pdf
- https://static.usrfiles.com/ugd/221f3a_cfd4d1f78e444d43baeb14d19468a738.pdf
- https://static.usrfiles.com/ugd/aa14a9_055f7dca91b84acc80d782ed69c5e05a.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000066ec.bin49771a573d28fef66a8b13e422c0887d2f37d625270ace791c1246d0d7ebedc8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66EC | 4804 bytes |
font_01_sfnt_off0000771a.bin29d30dbe360cab35df3e55ef8dd70353f91fe8674ca799ac01eb96ce505896a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x771A | 10536 bytes |
font_02_sfnt_off00009b0d.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B0D | 4324 bytes |
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