MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded links, many of which point to external PDFs hosted on disposable domains or link farms. One critical heuristic indicates a link to known malicious redirector infrastructure. The ML classifier also strongly flagged this PDF as malicious. The document body appears to be malformed or truncated, providing no clear user-facing content, but the structure and embedded links strongly suggest a malicious intent, likely related to SEO manipulation or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://dafemum.ru/wix?keyword=amnesia+memories+achievement+guide In PDF document text
- https://cdn-cms.f-static.net/uploads/4366982/normal_601a053d7fb61.pdfIn PDF document text
- https://zexirajeroluwub.weebly.com/uploads/1/3/4/8/134848753/2246021.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489848/normal_603f96f2830fb.pdfIn PDF document text
- https://wodanosivowifig.weebly.com/uploads/1/3/4/5/134593279/veriwesag.pdfIn PDF document text
- http://dugules.iblogger.org/37490259072.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4466675/normal_5fc8fecf0e279.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489050/normal_604181259936f.pdfIn PDF document text
- http://solusaxisabo.scienceontheweb.net/michigan_medicaid_providers_manual.pdfIn PDF document text
- https://bejetatibuket.weebly.com/uploads/1/3/5/9/135957672/1355232.pdfIn PDF document text
- http://nenonazuf.scienceontheweb.net/classification_of_antiulcer_drugs.pdfIn PDF document text
- https://juvikawupuw.weebly.com/uploads/1/3/1/4/131409017/2aa1c945.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393499/normal_600f81fa66870.pdfIn PDF document text
- http://lewuvumo.sportsontheweb.net/nikon_d40_specs.pdfIn PDF document text
- http://wewofif.scienceontheweb.net/is_netflix_making_the_selection.pdfIn PDF document text
- http://suwefazimim.medianewsonline.com/knee_rehabilitation.pdfIn PDF document text
- http://muzibatixabu.mypressonline.com/tukug.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://aca56392-15ae-48e8-982c-fdf6c4ac0dc3.filesusr.com/ugd/00c070_e3c21878a0c1471a98b9fc5799ce6a7a.pdf?index=trueIn PDF document text
- https://aca56392-15ae-48e8-982c-fdf6c4ac0dc3.filesusr.com/ugd/00c070_c00cb738349444da81b848a6ac286a9b.pdf?index=trueIn PDF document text
- http://lobakixadob.epizy.com/abcd_2_movie_hd_720p_worldfree4u.pdfIn PDF document text
- https://4adff18d-dc39-4349-be2c-eeb12737f1cb.filesusr.com/ugd/9117e0_e83a12448c5849219e996342971265a0.pdf?index=trueIn PDF document text
- http://polilofu.onlinewebshop.net/sports_name_list_with_pictures.pdfIn PDF document text
- https://7aff118d-26f6-4d76-9bc9-1838009e7274.filesusr.com/ugd/f80014_d670f9c6c0b449d48a1806e24ddd025f.pdf?index=trueIn PDF document text
- http://kesolimasakifi.myartsonline.com/vobogosenisivakuzi.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_off000180b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x180B1 | 5368 bytes |
SHA-256: f2845e7e733a499064fe6b6d0bf528cc02a73f992500a5ac2b4ffad49fc452ce |
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font_01_sfnt_off000192ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x192CA | 10668 bytes |
SHA-256: 44b4090d3dcfacf49d95c471779459dbbb859a5021aca5344d71c26961d4ad54 |
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