MALICIOUS
152
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, with a critical heuristic firing indicating it's a PDF link farm. One of these links, 'https://ttraff.com/pify?keyword=magnesium+hydroxyapatite+formation', points to a known malicious redirector. The document body, though heavily obfuscated, appears to be generated content related to the link's keyword, suggesting a lure to a malicious site. The ML classifier also 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.com/pify?keyword=magnesium+hydroxyapatite+formation
- http://files.novanuae.com/uploads/1/3/0/7/130740349/7f2086460.pdf
- http://files.ericevolving.com/uploads/1/3/1/8/131856987/7276227.pdf
- http://files.affinitybodyworks.com/uploads/1/3/1/6/131636814/d244cf369.pdf
- http://files.lisagerstenkorn.com/uploads/1/3/1/4/131483020/5bf1d766f58acfa.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/94662163826.pdf
- https://cdn.shopify.com/s/files/1/0428/0690/2950/files/60789397184.pdf
- https://cdn.shopify.com/s/files/1/0434/3005/2005/files/7391220836.pdf
- https://cdn.shopify.com/s/files/1/0433/1814/9285/files/54205896740.pdf
- https://cdn.shopify.com/s/files/1/0433/9095/9766/files/nobajunaja.pdf
- https://cdn.shopify.com/s/files/1/0430/1992/7713/files/pefoxanaku.pdf
- https://cdn.shopify.com/s/files/1/0434/3352/5400/files/9678539507.pdf
- https://cdn.shopify.com/s/files/1/0436/9586/6010/files/dosevekesetupu.pdf
- https://cdn.shopify.com/s/files/1/0433/7516/5594/files/mowedajedisezinefun.pdf
- https://cdn.shopify.com/s/files/1/0430/9932/4567/files/31249126533.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_off0000f602.bin3b2e314fe95e78255b3f351836d9ac44580194d3b755839f9b50f351bb5c10fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF602 | 5480 bytes |
font_01_sfnt_off00010886.bin01f9c472db4a9da1f6bc396b1f27351d504935ab02ca5936db6db0faad887c7f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10886 | 11180 bytes |
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