MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, many of which are part of a link farm designed to redirect users to malicious infrastructure. The primary malicious URL identified is https://ttraff.ru/pify?keyword=spontaneous+bacterial+peritonitis+treatment+pdf, which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL, suggesting an attempt to trick users into clicking it under the guise of a treatment guide.
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=spontaneous+bacterial+peritonitis+treatment+pdf In PDF document text
- http://files.jeffersonfryco.com/uploads/1/3/1/4/131452750/ginuxatoxowamo.pdfIn PDF document text
- http://files.inspectordeanjones.com/uploads/1/3/2/6/132681409/4555756.pdfIn PDF document text
- http://files.photographybysergina.com/uploads/1/3/1/4/131483138/9dfb214b5e3.pdfIn PDF document text
- http://files.sincerelythecraft.com/uploads/1/3/2/6/132696512/vubukekapebi_mugafepos.pdfIn PDF document text
- http://files.frugallery.com/uploads/1/3/1/4/131454521/libokapibik.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/1/0428/8099/1388/files/do_not_dumb_here.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1119/3501/files/facebook_networking_interview_questions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2804/6233/files/25434585557.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3803/1518/files/31141217372.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4384/7328/files/gta_5ps3_mods.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9005/9176/files/bifudexemaxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4817/3722/files/65018108884.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3802/3592/files/27411579828.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5427/7532/files/77134535914.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4570/7166/files/gelakawufikegizev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2852/7776/files/customer_centric_strategy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9731/7783/files/47149476397.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0673/0144/files/33359452495.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0918/5688/files/gibifudaburefexu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9018/2304/files/advanced_vocabulary_words_list.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_off000092af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92AF | 5424 bytes |
SHA-256: d93d04fd12f4f68f328293a4a9ee349fe6a54b9d95f1f8d179744629a2b0db4f |
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font_01_sfnt_off0000a4f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA4F5 | 10500 bytes |
SHA-256: b02cb78e45bee0345a3192dc2d1e2777625a83c9fc10c555555c00b40b2b420f |
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font_02_sfnt_off0000c8dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8DC | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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