MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains text related to 'internet safety games' and a URL that appears to be part of an SEO link farm, suggesting a phishing or scam lure. The ML classifier strongly indicated maliciousness.
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.me/wix?keyword=internet+safety+games+for+high+school+students In PDF document text
- http://files.cbiky.org/uploads/1/3/1/4/131455621/dc393da805dec0.pdfIn PDF document text
- http://mufosikow.1798bbq.com/uploads/1/3/2/8/132816066/resuxipotuwok_gutewome_vowivogat_katepemegawi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://64f5dc66-eba9-44e7-aef2-0317ed581e6a.filesusr.com/ugd/e948c1_1ea2e09b28094b12a4d2db7f3fbeb7c8.pdf?index=trueIn PDF document text
- https://35524e56-22b8-45d7-86c4-e05bb2650f9a.filesusr.com/ugd/f1780b_367e58c57f8f4dc5bf7f47b816ad1c81.pdf?index=trueIn PDF document text
- https://8f33a481-cece-4811-a6d6-28cedb1a338b.filesusr.com/ugd/110ef3_4e9286fb94054995b45370bf38904395.pdf?index=trueIn PDF document text
- https://6b147fec-6574-48bf-9ec7-e112632b8eda.filesusr.com/ugd/110ef3_c673ffe798044072bf2e23137d8afba7.pdf?index=trueIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6117/4687/files/configurar_apn_telcel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8502/8764/files/netefafegiboluvesenube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2987/0245/files/cbse_guide_for_class_10.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5149/8142/files/84560028555.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8406/2626/files/watch_yes_man_online_free.pdfIn PDF document text
- https://6a76a58f-da07-4b50-9287-0d4295539517.filesusr.com/ugd/565485_8fbed1fe97294fc4b29b6d4682ada4e1.pdf?index=trueIn PDF document text
- https://320497c6-5327-4e58-b18c-31287c159d8f.filesusr.com/ugd/610d21_67624ee0efe74a64818bff6f2b4d6637.pdf?index=trueIn PDF document text
- https://1fd1e46d-7e27-4981-8a6e-81f7f7feb1ab.filesusr.com/ugd/f1780b_ea2d04bf26524c758be65ef2745fe9e0.pdf?index=trueIn 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_off00008a24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A24 | 5356 bytes |
SHA-256: 23c008cd1f826064d173468ee69a37597846ab74d1e5e5487ffc84ede5ff9b55 |
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font_01_sfnt_off00009c29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C29 | 10456 bytes |
SHA-256: 5263f5d5ebffbf89d787cd1715586bb202839a659b3c695eaa9a59d9745000d8 |
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font_02_sfnt_off0000bffc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFFC | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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