MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a lure for 'Nitro PDF Professional 9 free download with crack 32 bit' and embeds numerous links to SEO spam sites and a malicious redirector. The primary malicious URL identified is https://ttraff.cc/wb?keyword=nitro%20pdf%20professional%209%20free%20download%20with%20crack%2032%20bit. While no scripts were explicitly extracted, the PDF structure and embedded links strongly indicate a phishing or malware distribution attempt.
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/wb?keyword=nitro%20pdf%20professional%209%20free%20download%20with%20crack%2032%20bit In PDF document text
- http://files.johnkarlstokes.com/uploads/1/3/2/7/132740525/5722894.pdfIn PDF document text
- http://files.itsunhoney.com/uploads/1/3/0/8/130813516/9171640.pdfIn PDF document text
- http://files.misfitcrusaders.com/uploads/1/3/0/8/130814672/634f8e.pdfIn PDF document text
- http://files.dogmamoncton.com/uploads/1/3/1/4/131437161/6728799.pdfIn PDF document text
- http://files.pca-music.com/uploads/1/3/1/8/131856518/ffb28f5.pdfIn PDF document text
- http://files.jeffallensportstalk.com/uploads/1/3/2/3/132302848/6020171.pdfIn PDF document text
- http://files.tynksgemstonedesigns.com/uploads/1/3/2/7/132740415/7381d2f1749d4.pdfIn PDF document text
- http://files.prosseracupuncture.com/uploads/1/3/1/4/131437531/ravilenu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://kuwelejekez868790374.files.wordpress.com/2020/07/89647213290.pdfIn PDF document text
- https://sakadukil.files.wordpress.com/2020/06/739707281.pdfIn PDF document text
- https://texepavogex.files.wordpress.com/2020/07/50430290950.pdfIn PDF document text
- https://xepagobe.files.wordpress.com/2020/06/dekegiva.pdfIn PDF document text
- https://lovifame.files.wordpress.com/2020/07/daxitewakepe.pdfIn PDF document text
- https://mumiwarifiza.files.wordpress.com/2020/07/72542465429.pdfIn PDF document text
- https://karudike.files.wordpress.com/2020/07/jawamakelet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xuxovozukirofavekejob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37872338034.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78476378890.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/44411244229.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fuwemosuwizukuxitakalav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rinubigelezegir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kubogofire.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000751c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x751C | 5748 bytes |
SHA-256: c655b71ba0c47525de13e7207b6e672ebbe3d53370e874fa13be01c2d3449387 |
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font_01_sfnt_off000088a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88A9 | 22280 bytes |
SHA-256: c570539d5746218b1c536fc6236d5aee3245b93db4597da264ccb0327c0a4c61 |
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