MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs pointing to various PDF files hosted on disposable domains, indicating a link farm. One URL, https://gettraff.ru/aws?keyword=gym+workout+chart+for+beginners+pdf, is identified as a malicious redirector. The ML classifier also flagged this PDF as malicious with high confidence.
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://gettraff.ru/aws?keyword=gym+workout+chart+for+beginners+pdf In PDF document text
- https://tumixivig.weebly.com/uploads/1/3/1/6/131636813/kenilirokaju_ximojukaf_segavev_powizetu.pdfIn PDF document text
- https://zukamukenipebo.weebly.com/uploads/1/3/1/3/131380388/mazetudutawagum-dolod.pdfIn PDF document text
- https://dokodajibebabek.weebly.com/uploads/1/3/2/3/132302773/dunufuresetujaburoz.pdfIn PDF document text
- https://mapipuluzobeb.weebly.com/uploads/1/3/1/3/131398440/308492.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374536/normal_5f8a6c218c6d9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373797/normal_5f92c80bbf947.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377116/normal_5f9432f175066.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381302/normal_5f8f187ed175c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377410/normal_5f945155d409b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373243/normal_5f91e6d2ef285.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369174/normal_5f8d0abed87cc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405179/normal_5f924af1a9b6a.pdfIn PDF document text
- https://nitetezelimon.weebly.com/uploads/1/3/1/4/131438651/bubirisonisa_fedanalesi_fikafugegira.pdfIn PDF document text
- https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/tixobenudofezibet.pdfIn PDF document text
- https://tiwilofudux.weebly.com/uploads/1/3/1/6/131606348/7074581.pdfIn PDF document text
- https://liwevapazu.weebly.com/uploads/1/3/1/0/131071299/figasivumo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/fec1965e-c09d-4232-9f6d-67167a4f0f1e/fnaf_world_halloween_edition.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4614ed00-6e67-47c2-9e98-f32d31050ed5/nazuxufigajegavijesol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1390b5a6-df5e-44a4-bf95-0f7f7ea0c6d4/mulol.pdfIn PDF document text
- https://s3.amazonaws.com/wogikokuzotaxa/zimsec_a_level_physics_syllabus_2018.pdfIn PDF document text
- https://s3.amazonaws.com/juliziwojatige/93044017149.pdfIn PDF document text
- https://s3.amazonaws.com/tabobujimo/befivuzonabifexiruwituko.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_off00006b74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B74 | 5968 bytes |
SHA-256: 2f372320a27e2ed4bb80a707d13138019b06915ceda38da4ed7a395ca10040d1 |
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font_01_sfnt_off00007fb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FB9 | 10860 bytes |
SHA-256: 32ba9e4d70208a12f3eb81a26c13c961e7b8cc04adda1ee5deeee61d09970d79 |
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