MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The ML classifier strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector found in the heuristics, suggesting an attempt to lure users to malicious sites.
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=game+bar+presence+writer
- http://files.nikiclickit.com/uploads/1/3/1/3/131398573/5298224.pdf
- http://files.aratiinternational.com/uploads/1/3/1/4/131453065/tuputisizux_nulixasaleb_zapudid_lowexumogufun.pdf
- http://files.shannonecameron.com/uploads/1/3/2/6/132695430/953582.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0412/4580/files/19501593836.pdf
- https://cdn.shopify.com/s/files/1/0431/5817/5906/files/44685496159.pdf
- https://cdn.shopify.com/s/files/1/0434/6819/3952/files/68630748950.pdf
- https://cdn.shopify.com/s/files/1/0440/7053/5318/files/najumopelikudebuguzekat.pdf
- https://cdn.shopify.com/s/files/1/0432/5507/0880/files/rebivi.pdf
- https://cdn.shopify.com/s/files/1/0427/9812/1119/files/bopujugiraw.pdf
- https://cdn.shopify.com/s/files/1/0433/4590/3781/files/mufub.pdf
- https://cdn.shopify.com/s/files/1/0433/9171/3443/files/civil_air_patrol_drill_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61259485886.pdf
- https://cdn.shopify.com/s/files/1/0429/9695/7343/files/10722095290.pdf
- https://cdn.shopify.com/s/files/1/0428/0975/3767/files/lorazogolale.pdf
- https://cdn.shopify.com/s/files/1/0431/2986/4343/files/vovazeditazirokesez.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_off00005831.bin08902f7f9782b5e6f13386a317bac50e14b4256ec55ba6802e02aeacb7b93a58 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5831 | 5312 bytes |
font_01_sfnt_off00006a34.bine4f6693582926b4481c4562455fe8f14baaea5e1bad3acaef7306685f4144c10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A34 | 9868 bytes |
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