MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document contains numerous links designed to appear as a resource for 'Advanced Java multiple choice questions and answers'. The primary link redirects through a malicious infrastructure at 'ttraff.cc', indicating a phishing or scam attempt. The document also hosts a large number of other PDF links, likely part of an SEO link farm to improve search engine ranking for malicious content. 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.cc/pify?keyword=advanced+java+multiple+choice+questions+and+answers+pdf In PDF document text
- http://files.dreamweaverscollective.com/uploads/1/3/2/6/132681415/kogawuxukaji.pdfIn PDF document text
- http://files.greatscottideas.com/uploads/1/3/0/8/130814056/vaxurilez_sugemi_jolokuna_wokakedarag.pdfIn PDF document text
- http://files.miltonmurray.org/uploads/1/3/1/6/131606644/nelemilor.pdfIn PDF document text
- http://files.dx2hk.com/uploads/1/3/1/3/131383959/madozinaj.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://cdn.shopify.com/s/files/1/0428/3308/4575/files/11032058796.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9917/6612/files/lifazatotasiba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8683/0998/files/38216480413.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6367/0944/files/84436443142.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7232/3737/files/zunofomujujepalikufiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4790/2623/files/kakipadaviwipawoku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8706/0378/files/achilles_tendinopathy_nhs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3387/8940/files/zuzipekipijaxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4894/4295/files/vixol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8039/1585/files/fodokum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1243/1770/files/fugakifowapuwosikarovan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3024/8600/files/definition_of_political_science_by_different_scholars.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5207/2086/files/jewamuj.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_off00007de3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DE3 | 5620 bytes |
SHA-256: c9e4ba578bc982158b7d7bf7938954d4bb018d0ff4486ae0e06e49cf96366f1c |
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font_01_sfnt_off000090df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90DF | 11220 bytes |
SHA-256: 88fd5116d80a9c87e814a6c226f27e31810019b0be321a588a24935400f9d75e |
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font_02_sfnt_off0000b5eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5EB | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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