MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links, 'https://ttraff.cc/pify?keyword=caia+level+1+book+pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to 'Caia level 1 book pdf', suggesting a lure to download or access content related to this book. The ML classifier strongly flagged this PDF as malicious.
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=caia+level+1+book+pdf
- http://files.workofheartfacepainting.com/uploads/1/3/0/9/130969652/xokoguxore-kofut.pdf
- http://files.vintageannalsarchive.com/uploads/1/3/1/4/131454850/9bb331.pdf
- http://kemumimi.mathtvcourses.com/uploads/1/3/1/3/131384169/toresotibako.pdf
- https://cdn.shopify.com/s/files/1/0432/8911/6836/files/88707000128.pdf
- https://cdn.shopify.com/s/files/1/0434/1802/6142/files/91592988437.pdf
- https://cdn.shopify.com/s/files/1/0430/3935/9127/files/63820776917.pdf
- https://cdn.shopify.com/s/files/1/0428/3239/6447/files/vocabulaire_anglais_financier.pdf
- https://cdn.shopify.com/s/files/1/0430/6301/7629/files/77842456423.pdf
- https://cdn.shopify.com/s/files/1/0440/3209/8469/files/wavelet_transform_time_series_forecasting_python.pdf
- https://cdn.shopify.com/s/files/1/0434/3057/6295/files/16440759093.pdf
- https://cdn.shopify.com/s/files/1/0433/7329/7822/files/49674040878.pdf
- https://cdn.shopify.com/s/files/1/0448/9543/6955/files/assertion_and_reasoning_questions_physics_class_10.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000066f2.bin281a36c81c83c3ec7579d48fec81828fdce87ef560591afbc681415a5d24f3ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66F2 | 4984 bytes |
font_01_sfnt_off000077fd.bin3abd82525497d9147f078c65087dda1dbd6a3f962f2359cdabac13c88a63a66e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77FD | 10376 bytes |
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