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, indicating a link farm or phishing attempt. The primary redirector URL, 'https://ttraff.cc/wb?keyword=basic%20brain%20anatomy%20pdf', is flagged as malicious. The document body and embedded artifacts suggest a lure to download additional PDFs, likely to facilitate further malicious activity or phishing.
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=basic%20brain%20anatomy%20pdf In PDF document text
- http://files.lawyers4drs.com/uploads/1/3/0/7/130739204/lumaf.pdfIn PDF document text
- http://files.structuredevelopmentnw.com/uploads/1/3/1/0/131071145/nobolazow-tuxoxugep-mekazazufobi-puseju.pdfIn PDF document text
- http://files.evavoutsaki.com/uploads/1/3/1/4/131454286/xibuz-kuvagojaxuf.pdfIn PDF document text
- http://files.nicksforzaferrari.net/uploads/1/3/1/4/131411411/tosefipakodo.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/1/0434/5122/0120/files/83250726386.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7754/1787/files/28406552326.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5700/5215/files/65408393482.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wojilezufaguxulidumusad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7128/4135/files/jozevotamelizel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6749/7884/files/44868677403.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4752/6305/files/drake_all_me_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1139/2167/files/a_practical_english_grammar_exercises_1_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9005/9176/files/xuginese.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7035/6632/files/67754924966.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/1101/9676/files/46703379810.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8271/8115/files/33114541711.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1616/7328/files/kadez.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_off00007add.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ADD | 5228 bytes |
SHA-256: 4e98056b4b5a393359010ac101b2210fd4503bccef66f0c28de5ba21887eab5c |
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font_01_sfnt_off00008c7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C7B | 9948 bytes |
SHA-256: 1ab30cf883f4a7720afd5f8126e5dbd4b9c65896b2f4a03545e2098ce45cf9df |
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font_02_sfnt_off0000ae70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE70 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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