MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous links to external resources, forming a link farm. The primary lure, "B scan ultrasound pdf", redirects through a malicious infrastructure at `ttraff.ru` before leading to other PDF files. The ML classifier strongly indicates maliciousness, and the presence of a redirector link suggests an attempt to obfuscate the true destination and potentially deliver a secondary payload or phish for information.
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.ru/pify?keyword=b+scan+ultrasound+pdf In PDF document text
- http://files.geraldinepilgrim.com/uploads/1/3/2/8/132815346/6780435.pdfIn PDF document text
- http://wewuk.polizzigenealogy.com/uploads/1/3/2/6/132682137/giwobu.pdfIn PDF document text
- http://files.womensrightsnights.net/uploads/1/3/1/4/131452903/bipisamasaviwumo.pdfIn PDF document text
- http://files.liftingthecurtain.net/uploads/1/3/1/3/131383860/7000167.pdfIn PDF document text
- http://files.elshaddaiworldoutreach.org/uploads/1/3/1/8/131858287/rujobikisubuzedage.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/1/0437/6988/8920/files/tiwirufabi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4287/4278/files/88820553678.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8617/5651/files/15158510231.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6654/6583/files/avengers_theme_piano_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5271/8494/files/tusobamajedovosubobe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0083/9837/files/57538440395.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6552/3862/files/46964164967.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/61926875792.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7792/6040/files/project_diva_pc_songs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4018/4232/files/53504340072.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5525/9560/files/business_plan_examples_in_kenya.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_off00006811.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6811 | 4912 bytes |
SHA-256: 4f00c743622226216a21b660161086873fcd66dbf7ecda14ec699fde34102949 |
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font_01_sfnt_off000078c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78C3 | 10112 bytes |
SHA-256: 5f035f3c1d66f04ebf0dc4e32ce447a6b84c69cffb7d4bff9dd12f9b083b4430 |
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font_02_sfnt_off00009b53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B53 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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