MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic identifying a malicious redirector at 'https://ttraff.ru/pify?keyword=ap+10th+class+maths+textbook+english+medium+pdf'. The document body, though heavily obfuscated, appears to contain keywords related to educational materials, suggesting a lure to disguise the malicious intent. The presence of a link farm and the ML classifier's high confidence further support the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=ap+10th+class+maths+textbook+english+medium+pdf In PDF document text
- http://tenul.paintboxartclasses.com/uploads/1/3/2/6/132682076/mobepu-zidojewib-vawupufigelanis-rivorobopuvene.pdfIn PDF document text
- http://files.parallaxphotographyrs.com/uploads/1/3/1/4/131453247/5146294.pdfIn PDF document text
- http://files.lifeconnectioncenter.org/uploads/1/3/1/6/131606876/76b80.pdfIn PDF document text
- http://files.pathwaysforhealth.net/uploads/1/3/0/8/130874086/b4d00452.pdfIn PDF document text
- http://retobu.pazangallery.com/uploads/1/3/0/7/130740596/xupewunux_volisituta.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3234/4736/files/93955144587.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78394199391.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8813/3787/files/befevabazasu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wogol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7505/1421/files/48308995826.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7047/8746/files/36472294579.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9056/6556/files/poberizebipibilo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4714/8950/files/vizumarizugerafidapotijid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9915/2799/files/giserokosuxipobufixa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8249/0791/files/second_shift_arlie_hochschild.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3863/0300/files/dog_fucking_girls.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2640/7833/files/tojewuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0703/2990/files/epidemiology_of_bovine_tuberculosis_in_zambia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0523/8688/files/avadhuta_gita_malayalam.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000072ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72AB | 5928 bytes |
SHA-256: 3d9b22c50c6f2f88da7346b4717fe200f6d0827133b8964a469865360f51494f |
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font_01_sfnt_off000086c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86C3 | 3488 bytes |
SHA-256: 9041099452ea723886b7e2e10a3d34a403db40b5eb25a590c31d438c8f3ed757 |
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font_02_sfnt_off000094a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94A9 | 10356 bytes |
SHA-256: 967f59aab4fb95c302cd66473390f378a490502442a5df5afcf69c0e87e13930 |
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