MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm and a redirector URL, indicating a phishing or scam attempt disguised as a free download. The ML classifier strongly flagged this PDF as malicious. The embedded URLs and the document body's mention of 'maths practice book for class 4 pdf' suggest a lure to trick users into downloading potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=maths+practice+book+for+class+4+pdf In PDF document text
- http://files.travisroach.com/uploads/1/3/2/6/132681771/198221.pdfIn PDF document text
- http://fulibur.massachusetts-bankruptcy.com/uploads/1/3/1/0/131071157/d9a024403ac.pdfIn PDF document text
- http://botuz.mvpcorse.com/uploads/1/3/0/7/130775048/1ac2c0f6e0f1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6132/1634/files/pirurede.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3853/9927/files/kibisopoxite.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/52657742202.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6823/5675/files/jilovogexirero.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/5613/0200/files/set_me_ablaze_chords.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7058/6006/files/82776965148.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0459/2520/4117/files/kelas_cephalopoda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7975/3121/files/fabitasaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4894/4295/files/bikol_dictionary.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4539/6384/files/45418210149.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8136/7712/files/the_flash_s03e20_torrent.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5647/1959/files/64119501754.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5647/1959/files/51724335048.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6635/0998/files/87817157830.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2112/2211/files/11408782695.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006574.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6574 | 5540 bytes |
SHA-256: 1affe1a6d84174b56c9751ee09a7c18d271c8fc7f1616338082c2a135d23b7f1 |
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font_01_sfnt_off0000783e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x783E | 7536 bytes |
SHA-256: 354a48404ff7dce23f8ab17d8f5302ea6b66dca81de5889aeda93400fa76000a |
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font_02_sfnt_off00008da0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DA0 | 10776 bytes |
SHA-256: d9fc9cd05119e44224993b2826409df1e15c98d6a38ce7697f1480045f21f1ac |
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font_03_sfnt_off0000b275.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB275 | 17492 bytes |
SHA-256: b2b92fcd2919487c650493c91add21b847ed7c13e64e38272e25808cac974a95 |
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