MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a malicious URL, identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, contains the text 'chota don comedy free' and the malicious URL, suggesting a lure. The 'ML_NYX_PDF_MALICIOUS' heuristic further supports the malicious classification. The file also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external PDFs, likely to improve search engine ranking for malicious content.
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.com/pify?keyword=chota+don+comedy+free In PDF document text
- http://pebeli.treasurevalleypressurewashing.com/uploads/1/3/2/7/132712050/8a4e5.pdfIn PDF document text
- http://gizade.catholic-teaching-alliance.org/uploads/1/3/1/3/131383478/4289763.pdfIn PDF document text
- http://files.sustainabilitysciencelab.org/uploads/1/3/1/4/131453255/83cd1999e47e050.pdfIn PDF document text
- http://files.ricelakemodelairplaneclub.com/uploads/1/3/1/4/131407572/mamibaji.pdfIn PDF document text
- http://files.90sinmypocket.com/uploads/1/3/0/7/130775032/maxoxinonomujegobes.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/1/0428/9835/8432/files/kefemomorevogik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/corredores_biolgicos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0159/3507/files/favedu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7089/7824/files/social_psychology_david_myers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/80298965366.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7182/3262/files/gesalonutotidodipejut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7105/9608/files/aachar_sanhita_rules_in_gujarati.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/7049/3596/files/airman_compressor_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6574/5314/files/airfix_model_world_magazine.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/viruxirekosarobavogerij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4620/5602/files/jelatukonaremod.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_off00006af0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AF0 | 5056 bytes |
SHA-256: ed483f7e69ae831d07a7db1bab152ff107ac45cd27a9db1668cefa8a54f36470 |
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font_01_sfnt_off00007bf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BF5 | 10708 bytes |
SHA-256: bf559e1e4e0af2d49fab26779f285d0fec65a7a9b9db417777e295303aa88772 |
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font_02_sfnt_off0000a0a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA0A4 | 5168 bytes |
SHA-256: a004616293ed1d9344092d7cff1c0b0c5a7bf1294d7f0eace7b0d198008b6835 |
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