MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to numerous Shopify-hosted PDFs, likely for SEO manipulation or to obscure malicious links. One of these links, 'https://ttraff.cc/pify?keyword=fitbit+blaze+hr+manual', is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting a lure to trick users into clicking it. The ML classifier strongly supports the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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/pify?keyword=fitbit+blaze+hr+manual
- http://files.nnft.ca/uploads/1/3/1/3/131378990/4210920.pdf
- http://lupejek.jci-gardena.org/uploads/1/3/2/6/132680813/2489f40d0d4ff.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/3789/1477/files/80889012176.pdf
- https://cdn.shopify.com/s/files/1/0436/9612/8153/files/8369153582.pdf
- https://cdn.shopify.com/s/files/1/0435/3340/2266/files/lexisnexis_butterworths_book.pdf
- https://cdn.shopify.com/s/files/1/0434/9755/4084/files/install_git_with_homebrew.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/31178329868.pdf
- https://cdn.shopify.com/s/files/1/0435/6302/4542/files/vewixokivatuw.pdf
- https://cdn.shopify.com/s/files/1/0434/1838/6588/files/free_video_loops.pdf
- https://cdn.shopify.com/s/files/1/0438/2166/2365/files/pemuf.pdf
- https://cdn.shopify.com/s/files/1/0431/3926/8770/files/nurosubewodajavob.pdf
- https://cdn.shopify.com/s/files/1/0429/4259/5239/files/99083217791.pdf
- https://cdn.shopify.com/s/files/1/0437/0841/6168/files/jesus_bleibet_meine_freude_violin.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000077d5.bin5cb01e73a2c1511da9349b6382493cba7e5bdb983264cf681fd6138b0e81d46f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77D5 | 4892 bytes |
font_01_sfnt_off00008856.bin7b88b6758bdf18a30035c0a1a4febab145cd2fbc18fd132a595cdb725607fdfc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8856 | 10172 bytes |
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