MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple critical heuristics as malicious, including a redirector link and a large link farm. The embedded URLs suggest a phishing or spam campaign, likely aiming to lure users to external sites. While no scripts were extracted, the sheer volume of suspicious URLs points towards a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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/123?utm_term=facebook+video++iphone+x In PDF document text
- http://kadaxejob.mypressonline.com/nibilowolo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478422/normal_604949723ef82.pdfIn PDF document text
- https://pevopuxavinedun.weebly.com/uploads/1/3/1/4/131406680/pevemudofofuz_neliz.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4444356/normal_5fcbf157aa162.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501486/normal_60554ebb8d579.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475999/normal_60580c598438e.pdfIn PDF document text
- http://gakagebir.mypressonline.com/how_to_understand_integral_calculus.pdfIn PDF document text
- https://judadumoxa.weebly.com/uploads/1/3/4/7/134718892/luzobubewogukap-pewowowu-mugililelek.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454971/normal_602ac15a85f51.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393889/normal_601c9a7f6752d.pdfIn PDF document text
- https://boripate.weebly.com/uploads/1/3/4/5/134590871/sobozalejanifej.pdfIn PDF document text
- http://tofotibuwul.sportsontheweb.net/norton_reader.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://1bf92926-22d0-44a1-94fb-b51843c41cd5.filesusr.com/ugd/762c1a_e8a5d37276ae48c39f716fb3a6f047b7.pdf?index=trueIn PDF document text
- https://26bfc7ce-baa4-43a1-9280-72312523cbd3.filesusr.com/ugd/5af86b_1e0739246a8e4cba9bab01fbd316470b.pdf?index=trueIn PDF document text
- https://bc5ba30c-e427-49eb-abc4-9677f18f04c1.filesusr.com/ugd/bcd086_da7fd83dff944de1978532943acbb878.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tetofamuxulil/computer_science_books_list.pdfIn PDF document text
- https://4dcfe184-cd6c-48f8-9f23-5461c743a1d4.filesusr.com/ugd/cc8533_0cfe318a022e45dbaea806a946c21368.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zatasipezeg/artificial_neural_network_definition.pdfIn PDF document text
- https://8d90b851-447f-4cfc-ac95-1e867b71b983.filesusr.com/ugd/b371d9_321ed4049b3543a683ce75f73ffcc338.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_off0000e2fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2FB | 5140 bytes |
SHA-256: 194a861960d02b2e026f50c89d7469be7cacec6dc147611ba9ed7ac082f05b95 |
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font_01_sfnt_off0000f481.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF481 | 10572 bytes |
SHA-256: a206d974b9340762fbfdb7878dc47bd4716bc3f45820bdfce6675a6b131c1732 |
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