MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains numerous embedded links, masquerading as a worksheet answer key, which are designed to redirect users to malicious sites. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the link to ttraff.com, indicating a known malicious redirector. The PDF_SEO_LINK_FARM heuristic indicates a large number of external PDF links, suggesting a link farm used for SEO poisoning or distributing further malicious content. No scripts were extracted from this sample.
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.com/wb?keyword=comparing%20fractions%20worksheet%204th%20grade%20answers In PDF document text
- http://files.kumanokodoguides.com/uploads/1/3/0/7/130776003/releweba.pdfIn PDF document text
- http://files.ritandbob.com/uploads/1/3/1/1/131163563/5478e9452eca78a.pdfIn PDF document text
- http://files.busybeeorganize.ca/uploads/1/3/0/9/130969004/gojebifazalomo-maxurapokenoxo.pdfIn PDF document text
- http://files.godayschool.com/uploads/1/3/0/8/130873830/fdc5e61e30.pdfIn PDF document text
- http://files.annieyoon.com/uploads/1/3/1/3/131380998/fixew_wugusu.pdfIn PDF document text
- http://files.manhattanhope.com/uploads/1/3/1/4/131454024/kizan_jogesatovimafo.pdfIn PDF document text
- http://files.thehighanxietyrunner.com/uploads/1/3/0/8/130814529/5341b0ba.pdfIn PDF document text
- http://files.jennyfinkelyoga.com/uploads/1/3/1/0/131070379/lomupumirap-sodubuwofesakef.pdfIn PDF document text
- http://files.golfclubmd.com/uploads/1/3/1/4/131408528/sidexagolopikodagi.pdfIn PDF document text
- http://files.bingocompany.net/uploads/1/3/1/3/131379612/d2857f2095895b.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://juxatafisatu.files.wordpress.com/2020/06/jijeketuluro.pdfIn PDF document text
- https://neguxesejog.files.wordpress.com/2020/07/vujet.pdfIn PDF document text
- https://wejofokil.files.wordpress.com/2020/06/1233120925.pdfIn PDF document text
- https://firusomu.files.wordpress.com/2020/07/96478341274.pdfIn PDF document text
- https://dagatosi.files.wordpress.com/2020/07/91642633581.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98973723668.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gefoviliruvowej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/45927795399.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/12729031526.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_off000076fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76FA | 5592 bytes |
SHA-256: 24f8a1cb38cbbb53e1e89ba17c52f1db2be446d003d550525dfbed30fa85e1b0 |
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font_01_sfnt_off000089e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89E9 | 9956 bytes |
SHA-256: d4d340ffe1324a1dbe31edec009ab01cceeb34d557060f0720082fa31b61e9d3 |
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