MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links designed to appear as free downloadable books, but they redirect to malicious infrastructure. Specifically, the link https://ttraff.cc/pify?keyword=niit+core+java+book+pdf is identified as a malicious redirector. This pattern suggests a phishing or scam attempt to trick users into visiting malicious sites, likely for further exploitation or credential harvesting.
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=niit+core+java+book+pdf In PDF document text
- http://files.beautifulweddingsbyina.com/uploads/1/3/1/1/131163667/d08ad.pdfIn PDF document text
- http://files.swiftcreekguitars.com/uploads/1/3/1/6/131607237/1680852.pdfIn PDF document text
- http://files.greetingcardsatjeffersongalleries.com/uploads/1/3/0/7/130739773/mavuxon.pdfIn PDF document text
- http://duvuvuze.apwindowsuk.co.uk/uploads/1/3/0/7/130776487/5813463.pdfIn PDF document text
- http://files.midatlanticbrassbandfestival.com/uploads/1/3/1/3/131384589/7639131.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/1/0435/6754/6527/files/50625298694.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0002/1667/files/rationale_zahlen_klasse_7.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3504/0664/files/73022890643.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2009/9488/files/study_guide_for_brave_heart.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/57661303480.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5583/2469/files/gateway_services_webpayment.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0151/1064/files/78850122435.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5395/6758/files/exerccios_lcoois.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8992/0154/files/besoin_de_fond_de_roulement.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3680/3233/files/90459329591.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5806/9655/files/kakulotawerolobilixulixo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9343/3246/files/download_kosakata_bahasa_arab_sehari_hari.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_off000083d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83D5 | 4928 bytes |
SHA-256: d8ca0b2822754e527be48bfe4142012d001ce1148c460957bbb275db63b698a3 |
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font_01_sfnt_off000094b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94B1 | 15088 bytes |
SHA-256: c915d59311c5d2a335ac17a5998f327417811c9eb804d29450f777b880c3c4df |
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font_02_sfnt_off0000c44d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC44D | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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