MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic identifying it as a malicious redirector and a link farm. One of the primary links directs to a known malicious redirector, while others point to a link farm hosted on disposable infrastructure. The document body text, though partially obfuscated, mentions 'Enrichment worksheet 32' and includes a URL that aligns with the malicious redirector.
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://cctraff.ru/strik?keyword=enrichment+worksheet+32 In PDF document text
- https://rakamukomegu.weebly.com/uploads/1/3/2/6/132681656/438e071b43ca.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412999/normal_5f97433a45f61.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423700/normal_5f99d3b1ab682.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366027/normal_5f89438f974d1.pdfIn PDF document text
- https://kaxoleza.weebly.com/uploads/1/3/4/4/134453834/9dfb77168e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368497/normal_5f9264f56abc6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368972/normal_5f87d4d50e178.pdfIn PDF document text
- https://betoxugibujimiv.weebly.com/uploads/1/3/1/0/131071043/buvavutafepozer.pdfIn PDF document text
- https://miremewokar.weebly.com/uploads/1/3/0/7/130738658/suteguxozikadiz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385427/normal_5f8e1ae056b5b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376087/normal_5f962d0b38ddd.pdfIn PDF document text
- https://tufelovewojamex.weebly.com/uploads/1/3/4/3/134331554/nakomora.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377109/normal_5f955830e645b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368238/normal_5f8dfae02aab9.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/sukobogixe/septa_127_bus_schedule.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f9b45d76-3a3a-448f-a7ff-2f3978bd96d3/43723062349.pdfIn PDF document text
- https://s3.amazonaws.com/bubodeliza/acrobat_pro_dc_editor.pdfIn PDF document text
- https://s3.amazonaws.com/fovezewi/annotatings_mac.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/02989604-ca7a-4323-8add-56610503f0e9/78747674103.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d89fb908-d940-4914-b361-a87628f39ba6/prince_of_wolves_pathfinder.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/29b05a41-a91c-4cb0-923c-899247ab3185/timofabajidava.pdfIn PDF document text
- https://s3.amazonaws.com/jozetej/morte_na_praia_agatha_christie.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4dfd8590-d0f1-448a-8f2e-d2e8309dd75d/reglas_de_inferencia_y_equivalencia.pdfIn PDF document text
- https://s3.amazonaws.com/fasanag/17599336264.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/83c5a221-3f95-4ee5-a6b7-07e6e8659060/gudogizovisexinabegupag.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_off000060e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60E6 | 5204 bytes |
SHA-256: c9d0e53939efcf809fd539acc3946e0b03d20859ae92e106ccc627e00ccddd9a |
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font_01_sfnt_off0000728b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x728B | 10536 bytes |
SHA-256: aa69127bbb5e1142c6c3a56e44e754e28421edc08111eae9202a3c1d25e8888a |
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