MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by an ML classifier and contains a significant number of embedded links, functioning as a link farm. One of the embedded URLs, 'https://ttraff.me/wix?keyword=chemistry+worksheet+wavelength+frequency+and+energy+of+electromagnetic+waves+answers', is flagged as a malicious redirector, indicating a potential phishing or malware distribution attempt. The document body, though heavily obfuscated, contains similar URLs, reinforcing the link farm and redirection behavior.
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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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.me/wix?keyword=chemistry+worksheet+wavelength+frequency+and+energy+of+electromagnetic+waves+answers In PDF document text
- http://files.sandpointstakecommunications.com/uploads/1/3/0/7/130776655/489252.pdfIn PDF document text
- http://files.commonharvestcsa.com/uploads/1/3/2/3/132303209/cbeead.pdfIn PDF document text
- http://files.brianwhitson.me/uploads/1/3/1/6/131606046/85f33fe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://aa9d992c-faaf-4514-a1d8-e53b1af88bc2.filesusr.com/ugd/1a1092_3ec5da883360490bbb3d67da527b76ec.pdf?index=trueIn PDF document text
- https://de00ddf8-18cf-4e77-aa3e-0584e3bba0fd.filesusr.com/ugd/69695d_b7d9732612ac4db6a0636858463a1b81.pdf?index=trueIn PDF document text
- https://ebf9b1a7-1a74-477a-939b-51c7068a047e.filesusr.com/ugd/b41a9a_b4e04d68e3124df4b1bc92ac80f365ca.pdf?index=trueIn PDF document text
- https://08012d1c-ed3f-4de5-a046-be40c0c31758.filesusr.com/ugd/bc4951_dd29c97158f448bdbd23e56e7760a9a1.pdf?index=trueIn PDF document text
- https://80936273-9bd9-402c-8f1b-ee929b2f845e.filesusr.com/ugd/f51585_98c0b5160b2947b689edbafb3e094d32.pdf?index=trueIn PDF document text
- https://830406c8-7078-4548-a8a7-f9f7c2536c57.filesusr.com/ugd/3a38e0_25e8c1b4c56044ac8218ddb08e4a6f6c.pdf?index=trueIn PDF document text
- https://ff889963-0651-4380-a694-301087fd680b.filesusr.com/ugd/0182ef_0d4ad7493af64d74ac4faab5e0e5c1de.pdf?index=trueIn PDF document text
- https://8625763e-31be-42c8-9164-195d4bfaa550.filesusr.com/ugd/704566_c4b9cab90b6f4fa09ed1a1349ab01765.pdf?index=trueIn PDF document text
- https://aa71a45c-4f4f-4f7c-9b1b-78412b0148e8.filesusr.com/ugd/9f06f8_4e23f8c2e6dd4ed68a4e1aa0ff57ce1f.pdf?index=trueIn PDF document text
- https://ac4ea6aa-15eb-462d-acbf-cb1f763b918e.filesusr.com/ugd/564d2e_c359e6086414401f853473947cf68dd9.pdf?index=trueIn PDF document text
- https://77a4120c-4fc8-4daf-89c5-761f3ef7979c.filesusr.com/ugd/7ff653_dbc61ee895fc429797ee718db081adba.pdf?index=trueIn 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_off00005e22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E22 | 5784 bytes |
SHA-256: 749fbbd3846a100fb3611c3cc5465e3117e0d4ca2b1452866e42e215f4d95114 |
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font_01_sfnt_off000071b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71B7 | 9904 bytes |
SHA-256: ebb015ceb2957183d626125890476e0afe75ba3a83f0fd8091e3853183c5f419 |
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