MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is classified as malicious due to its use of a redirector link, specifically `https://ttraff.ru/pify?keyword=java+programming+objective+type+questions+and+answers+pdf`, which is part of a link farm designed to attract search engine traffic. The document body, though heavily obfuscated, contains this URL and numerous other links to PDF files hosted on Shopify, suggesting a phishing or scam attempt disguised as educational content. The ML classifier strongly supports the malicious verdict.
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=java+programming+objective+type+questions+and+answers+pdf In PDF document text
- http://files.ask-noodles.com/uploads/1/3/1/3/131398573/jikibapuseso.pdfIn PDF document text
- http://files.shopdelmarcielle.com/uploads/1/3/0/7/130738572/zapepa_zejola_gimisuralu.pdfIn PDF document text
- http://files.spicelandtown.org/uploads/1/3/0/7/130775746/fotisivupimi_wuzuder_rixama_bedixuwoza.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/1/0433/0687/7080/files/dofupuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8306/2695/files/angularjs_reader.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8570/8968/files/34997710873.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6763/5867/files/dilefopej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/56697352128.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8396/4324/files/nasegexura.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7382/9032/files/dark_souls_2_victors_stone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pewowa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7718/0328/files/nathalie_sarraute_tropismes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5288/3352/files/tomorrow_lyrics_annie.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3720/3364/files/hollander_interchange_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2051/5488/files/xomokex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9812/0096/files/57665480256.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_off0000856b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x856B | 5912 bytes |
SHA-256: ceb45948b594d90d24b3c0bd758718029d7a83bc046a8c6df230ad31d11df447 |
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font_01_sfnt_off00009980.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9980 | 12024 bytes |
SHA-256: 0078b9117b5ceef9134da32725c04344d3afe04daee0987d4f6a47cbcafac235 |
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font_02_sfnt_off0000c0dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0DC | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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