MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links pointing to external websites, many of which are hosted on disposable domains and flagged as part of a link farm. One critical heuristic identified a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that aligns with the link farm activity. No scripts were extracted, but the overall structure suggests a lure to malicious or spam content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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.club/wix?keyword=mckamy+middle+school In PDF document text
- http://files.crystalcovenrmp.com/uploads/1/3/1/4/131453998/3232106.pdfIn PDF document text
- http://files.chopsugar.com/uploads/1/3/1/4/131407194/gogawikumeni.pdfIn PDF document text
- http://dutokabu.mollyjgood.com/uploads/1/3/0/8/130813554/xepibokusaro-zujak.pdfIn PDF document text
- http://bixuzez.imagesbya2zphotography.com/uploads/1/3/1/6/131607131/01367ca2.pdfIn PDF document text
- http://files.buffalobabybums.com/uploads/1/3/1/1/131164456/5271255.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1653/3654/files/tutorial_of_microsoft_excel.pdfIn PDF document text
- https://d5663809-13ab-4996-8690-3f838f5b3d55.filesusr.com/ugd/ebc5f9_994f127e6c5d47d98cadedad9ca680a1.pdf?index=trueIn PDF document text
- https://01496b6e-ef0d-4a2f-a6fc-875274c2678e.filesusr.com/ugd/4c1554_06a58cfb1dc441f082156db9b3111136.pdf?index=trueIn PDF document text
- https://77038a64-1c52-41f1-a7f0-4d0dd07c6eb7.filesusr.com/ugd/4f92c1_0fc4c9f710aa479c8a913d6de6ff8c48.pdf?index=trueIn PDF document text
- https://7476bf1d-3e6f-4972-8b64-f0235ce338eb.filesusr.com/ugd/e4d7df_e2caf9ff13c24f63a159ef3ea6507feb.pdf?index=trueIn PDF document text
- https://6ba6f6ad-0a36-4ab0-8018-28476b74c5c3.filesusr.com/ugd/31593d_00659d73571345babf0e2702ecc0ef81.pdf?index=trueIn PDF document text
- https://59bebf05-6e65-4fec-81f2-8584752d0c21.filesusr.com/ugd/12745a_8a98442e22f24884acec7848107c2bb1.pdf?index=trueIn PDF document text
- https://1e49d929-3365-4196-bddb-7e7dc7b3070a.filesusr.com/ugd/0511f5_0543a33cee6241dc80af20787c9cc44b.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_off00007119.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7119 | 5252 bytes |
SHA-256: b5b29837ac6f8fe3c3e37829230af58f4ed7d6acfbdc70fa708ad36cad36e7b2 |
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font_01_sfnt_off000082eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82EB | 15588 bytes |
SHA-256: 6a0fc80d60b8fa34779d20ff60b6f28c096c7cd003f2392f5308c8e2a61df12e |
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