MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm and a redirector to malicious infrastructure, disguised with academic-sounding keywords. The ML classifier strongly indicated maliciousness. The embedded link `https://ttraff.ru/pify?keyword=codominance+and+incomplete+dominance+practice+problems+answers` is a primary indicator of the redirection attempt.
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=codominance+and+incomplete+dominance+practice+problems+answers
- http://files.meganmcgory.com/uploads/1/3/1/6/131606465/914981.pdf
- http://files.tidytimeservices.com/uploads/1/3/2/6/132680781/niremoliwejadazeg.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/4953/3088/files/2311539210.pdf
- https://cdn.shopify.com/s/files/1/0432/9252/4700/files/30140282327.pdf
- https://cdn.shopify.com/s/files/1/0452/5296/8609/files/o_candomble_da_bahia.pdf
- https://cdn.shopify.com/s/files/1/0430/1350/5185/files/18121078215.pdf
- https://cdn.shopify.com/s/files/1/0429/7624/7967/files/jugevitigod.pdf
- https://cdn.shopify.com/s/files/1/0438/6911/0432/files/pentagonal_prism_net.pdf
- https://cdn.shopify.com/s/files/1/0427/7954/1671/files/vujosaroxunuxelojobiw.pdf
- https://cdn.shopify.com/s/files/1/0429/1549/6092/files/38369050011.pdf
- https://cdn.shopify.com/s/files/1/0446/3493/1363/files/l_nergie_renouvelable_au_maroc.pdf
- https://cdn.shopify.com/s/files/1/0428/1604/5222/files/jiwetabapiranivapuvel.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000613a.bina12ef56407d312759319d30a7f84c9cee161bf730b7cd0b68ed0fcac0c91e37e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x613A | 5356 bytes |
font_01_sfnt_off00007359.bin3cbd2588fb94bfcc418793a132f9769787f102f50e8c519a49b134630e174faa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7359 | 9992 bytes |
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