MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, including one pointing to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, appears to contain the URL 'https://ttraff.com/pify?keyword=autonomic+nervous+system+physiology+pdf', suggesting a lure to a malicious site. The ML classifier strongly indicated maliciousness, and the presence of a link farm further supports a malicious intent, likely for phishing or malware distribution.
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.com/pify?keyword=autonomic+nervous+system+physiology+pdf In PDF document text
- http://files.tnlsfranklin.com/uploads/1/3/2/3/132302858/rukedifajor-juxufemakeziwu.pdfIn PDF document text
- http://files.ricepaperdesigns.com/uploads/1/3/1/4/131438044/dobebogobev_nonopir_potiji_dufelil.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/1/0434/4279/8757/files/fawexevonoxotojopanel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4907/3312/files/xuwaxijafuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3898/8709/files/30693969404.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7490/2423/files/48946555712.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7540/3936/files/mewoxiruwekazo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2961/7057/files/wiwapononu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8940/3810/files/dudewagi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72710717911.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3577/0535/files/wegidosikal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7266/8319/files/brian_tracy_sales_superstar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0463/7337/2059/files/47490109290.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8220/3801/files/46683736808.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2715/9445/files/facebook_for_pc_windows_10.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4492/0734/files/como_hacer_un_articulo_de_opinion.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_off00009ad9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AD9 | 5392 bytes |
SHA-256: 3b4a5ba85c1f79949a37fbc031186d6975469a03bf580c5535d1ea9140f52ecc |
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font_01_sfnt_off0000ad14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD14 | 14016 bytes |
SHA-256: 6f168993dfee1d9eee2fa54bc7d1f7a9a103371240f19d04f41d9f9214029a52 |
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font_02_sfnt_off0000d8ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8FF | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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