MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of links to external PDFs hosted on various domains, characteristic of a link farm. One of these links, 'https://ttraff.me/pify?keyword=seiki+se32hy10+manual', was identified as a malicious redirector. The ML classifier also strongly indicated maliciousness, supporting the assessment of a malicious link farm designed to lead users to harmful content.
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/pify?keyword=seiki+se32hy10+manual In PDF document text
- http://ranepub.rebeccaelbaum.com/uploads/1/3/1/4/131409474/lizexurisidetolusog.pdfIn PDF document text
- http://jubukexu.gracebecker.org/uploads/1/3/2/6/132683138/3248077.pdfIn PDF document text
- http://votigapig.ptcgconsulting.com/uploads/1/3/0/9/130969873/9478597.pdfIn PDF document text
- http://files.undisputedboxing.ca/uploads/1/3/0/7/130775845/c003d72.pdfIn PDF document text
- http://files.starquarryhanoverians.com/uploads/1/3/1/3/131380786/suguredav.pdfIn PDF document text
- http://menigaban.rev-pile.com/uploads/1/3/1/3/131380767/50dbb321e9.pdfIn PDF document text
- http://files.nationalinnov8tive.com/uploads/1/3/0/7/130739155/gamawafobamimew.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static.usrfiles.com/ugd/0789d5_864ec77c54cf4fbf99244fc82edae40d.pdfIn PDF document text
- https://static.usrfiles.com/ugd/69b86f_478e7021709647dcbb9cc4e0cc6f2fd5.pdfIn PDF document text
- https://static.usrfiles.com/ugd/29c71c_29d3d50ee52f44c2b6028ce1f4ae8aec.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c5d40f_820bc04206504f48bee845e0089ab998.pdfIn PDF document text
- https://static.usrfiles.com/ugd/cafc24_aef371534af246378a8f382d57ec2374.pdfIn PDF document text
- https://static.usrfiles.com/ugd/aec2ea_e7fcdd73155144b49576d0bd477a79c8.pdfIn 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_off000040ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x40EC | 5588 bytes |
SHA-256: adc84c16020f9fe23f19f35838e9d7ff13094b9abe733b2959f50cffd6ee95bb |
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font_01_sfnt_off000053d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53D3 | 9768 bytes |
SHA-256: 7388dc23c65cf0846f771074583c99b299581284f0c41c921721fe0633a52435 |
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