MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to a redirector service (ttraff.ru) or host potentially malicious PDF files. The document body, though heavily obfuscated, contains the URL https://ttraff.ru/pify?keyword=b.+e.+degree+full+form, which is flagged as a malicious redirector. The heuristic PDF_SEO_LINK_FARM indicates a deliberate attempt to create a link farm, likely for SEO manipulation or to distribute malware. The presence of numerous Shopify-hosted PDFs suggests an attempt to blend malicious links with seemingly benign content.
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.+e.+degree+full+form In PDF document text
- http://sotexenu.kalliejo.com/uploads/1/3/0/7/130776208/3c046a3dcab848.pdfIn PDF document text
- http://vogaduze.maplegrovepta.org/uploads/1/3/1/3/131398455/a247840cf84d8.pdfIn PDF document text
- http://files.shhschoir.org/uploads/1/3/0/7/130739225/bekukaxowolegixukug.pdfIn PDF document text
- http://files.claystories.com.au/uploads/1/3/0/7/130738852/morafesiva-mesokuzafeja-lezukuruvalozi-begiferatiw.pdfIn PDF document text
- http://files.grandeprairierugby.com/uploads/1/3/2/7/132740838/robixarew.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0086/3643/files/83187984890.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6249/2324/files/39100381136.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4459/9958/files/1999_toyota_corolla_repair_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4539/4331/files/basic_english_grammar_book_3_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4012/9692/files/minecraft_mortal_kombat_skin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4316/8156/files/21300914946.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1468/3813/files/wovodefemiwunawo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3858/8573/files/milton_sterilizing_fluid_safety_data_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/pagepijezuxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5103/1464/files/88216254509.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8469/1094/files/duxewuwolu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6557/3537/files/60959401140.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7044/5975/files/bendix_valve_catalog.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_off000080dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80DD | 4920 bytes |
SHA-256: 0039937838aac0dcd34109eec30a28a52bc5d7abf0353dbcdb4ba1ef560522c9 |
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font_01_sfnt_off00009183.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9183 | 9972 bytes |
SHA-256: 0700f777758e2205db91605df95114bb4d73bec96984d019262f3d114094d11a |
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