MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service (ttraff.cc) that is flagged as malicious. The document body, though heavily obfuscated, contains text that appears to be a lure for a book download, aligning with the 'SEO link farm' and 'free-download phishing' heuristics. The presence of embedded URLs and the ML classifier output strongly indicate malicious intent.
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=android+hacker%2527s+handbook+%25D9%2585%25D8%25AA%25D8%25B1%25D8%25AC%25D9%2585 In PDF document text
- http://files.independancenz.org/uploads/1/3/1/4/131483147/rijamapigago_masufewuxekun_mupag_jatupomiz.pdfIn PDF document text
- http://fulij.accelerateyourteam.com/uploads/1/3/1/4/131438268/setaxoguwiwibug.pdfIn PDF document text
- http://files.usaqingshan.com/uploads/1/3/1/4/131454373/8527083.pdfIn PDF document text
- http://files.channamalkin.com/uploads/1/3/2/6/132695258/xafirejiniv_lisej_fisugiwevi.pdfIn PDF document text
- http://files.metzgerpso.com/uploads/1/3/0/7/130738889/3e4c6.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/1/0429/8450/5498/files/deadpool_kills_the_marvel_universe_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2623/6071/files/16965246919.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4083/3690/files/british_architectural_styles.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1244/7652/files/deficiencia_de_complejo_b.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9054/2743/files/37928811338.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5636/4709/files/uefa_champions_league_anthem_piano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5528/4378/files/74230265533.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0936/7454/files/rimusufedi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4970/5881/files/toripejemivaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0469/3324/6107/files/contabilidad_bancaria_ejercicios_resueltos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2318/7614/files/miparimuziv.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_006_off0000a99d.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xA99D | 25712 bytes |
SHA-256: bc224b2af37457917d20f254ef86cdcf19e39e7f1c750f57de8caf84b5cffb5b |
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font_00_sfnt_off00005f52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F52 | 5220 bytes |
SHA-256: 8859e5319b268276acbbf3156337e8cd8c1975b5f0ee3794175eb8dfaf4ab30a |
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font_01_sfnt_off00007109.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7109 | 16728 bytes |
SHA-256: 951a1d7a03fd57ab9c6147ee2388fbc74091389e0b78dccb53256bd865323ab8 |
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font_02_sfnt_off0000887b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x887B | 9584 bytes |
SHA-256: f3639a969942e3bea81e8e316bf482dff402928b33fa667fdea8ea4cc54cfb01 |
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