MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external PDFs, many of which appear to be part of an SEO link farm. One prominent link redirects to a malicious URL, suggesting a phishing or scam attempt. The ML classifier also strongly indicated maliciousness.
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=gear+tooth+vernier+caliper+experiment+pdf
- http://files.njjrthespians.org/uploads/1/3/0/7/130775384/76d76af78.pdf
- http://files.premierpoolsga.com/uploads/1/3/2/6/132681508/517054.pdf
- http://files.larryphillipsnyc.com/uploads/1/3/1/0/131070458/4698396.pdf
- http://files.gforceunlimited.com/uploads/1/3/1/6/131606056/9376217.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/9961/7448/files/71932392968.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wifufokamavobopizevotug.pdf
- https://cdn.shopify.com/s/files/1/0440/6640/6550/files/vivogobinidunama.pdf
- https://cdn.shopify.com/s/files/1/0430/5282/6777/files/11072159649.pdf
- https://cdn.shopify.com/s/files/1/0437/5832/1818/files/linksys_wrt54g_setup.pdf
- https://cdn.shopify.com/s/files/1/0434/8693/7250/files/xowaruto.pdf
- https://cdn.shopify.com/s/files/1/0434/4443/7144/files/fefejurusol.pdf
- https://cdn.shopify.com/s/files/1/0431/8127/7342/files/sogulaxifodiwagipebejowij.pdf
- https://cdn.shopify.com/s/files/1/0429/3401/0015/files/86281559892.pdf
- https://cdn.shopify.com/s/files/1/0430/7235/6509/files/gafubojasifoxedabizumiw.pdf
- https://cdn.shopify.com/s/files/1/0433/8004/8023/files/21332344295.pdf
- https://cdn.shopify.com/s/files/1/0433/9122/1911/files/isometric_projection_vtu.pdf
- https://cdn.shopify.com/s/files/1/0435/5486/5320/files/99018348961.pdf
- https://cdn.shopify.com/s/files/1/0431/6836/6760/files/hollow_knight_simple_key_locations.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_off00004907.bin4cc983fa1f2523db2fa5d1da29438943306ff43e0c1c943fade96acb154d2742 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4907 | 5376 bytes |
font_01_sfnt_off00005b38.bined6c3bfe2ac08d637564eb6f92fd0f34695bc01e79f656bdc9573b4a2bceb1d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B38 | 8788 bytes |
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