MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link farm and a critical redirector link to ttraff.ru, indicating a malicious intent to redirect users. The document body, though corrupted, contains the same redirector URL and a benign-looking title, suggesting a lure. The ML classifier strongly supports the malicious verdict. The primary attack pattern involves redirecting users to malicious infrastructure via embedded links.
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=free+abacus+training+pdf
- http://files.krgriffiths.org/uploads/1/3/0/7/130739704/9940707.pdf
- http://files.macroleaders.com.au/uploads/1/3/2/6/132681342/47a574df01f9d6.pdf
- http://files.communityartistsgallery.org/uploads/1/3/1/6/131606594/80d77.pdf
- http://files.penicuiktabletennis.com/uploads/1/3/0/7/130740138/1437269.pdf
- https://cdn.shopify.com/s/files/1/0448/2826/2560/files/small_steps_louis_sachar.pdf
- https://cdn.shopify.com/s/files/1/0432/5477/5970/files/voduzoxoten.pdf
- https://cdn.shopify.com/s/files/1/0440/2449/6286/files/kulepixofuturalujimiwax.pdf
- https://cdn.shopify.com/s/files/1/0429/6579/4965/files/49799123160.pdf
- https://cdn.shopify.com/s/files/1/0436/9242/5384/files/gorogumivubino.pdf
- https://cdn.shopify.com/s/files/1/0437/7968/6549/files/29416491831.pdf
- https://cdn.shopify.com/s/files/1/0429/2352/4259/files/jodi_picoult_my_sister_s_keeper.pdf
- https://cdn.shopify.com/s/files/1/0434/0973/5845/files/xipejexepofojikuwelam.pdf
- https://cdn.shopify.com/s/files/1/0434/7622/2118/files/cabeza_de_turco_libro.pdf
- https://cdn.shopify.com/s/files/1/0430/8716/7649/files/mitovuxubit.pdf
- https://cdn.shopify.com/s/files/1/0431/1734/6965/files/78448779717.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_off00005f88.bine7e06968157b75802db92659748354acb547d719e5692720fc557e05d386462b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F88 | 5384 bytes |
font_01_sfnt_off000071e0.bind51b1a376c72fc3d9e041cdf38f2d26bf046f82effa2db46aeaf6c82c57457e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71E0 | 10260 bytes |
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