MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, many of which point to link farms on disposable hosting, indicating a phishing or malware distribution scheme. One critical heuristic identified a link to known malicious redirector infrastructure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://yafferge.ru/award?keyword=kinetics+of+condensation+polymerization+pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4423714/normal_603ea9bd297a3.pdfIn PDF document text
- http://zirekafeti.iblogger.org/happy_birthday_brother_photos_free.pdfIn PDF document text
- https://xiwajobuxeke.weebly.com/uploads/1/3/4/6/134637113/1709e423.pdfIn PDF document text
- http://setokanekema.mygamesonline.org/aminoacidos_esenciales.pdfIn PDF document text
- http://zutalinezar.iblogger.org/3196438164.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4503584/normal_6013af1d60da7.pdfIn PDF document text
- https://zikemuwebiwolim.weebly.com/uploads/1/3/5/9/135992964/4539438.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469353/normal_5fe76f38ec8ef.pdfIn PDF document text
- http://wawesoja.sportsontheweb.net/arthashastra_sanskrit.pdfIn PDF document text
- http://fokojudup.22web.org/free_templates_for_website_w3layouts.pdfIn PDF document text
- https://ginadilu.weebly.com/uploads/1/3/4/7/134768391/35a765f65e2.pdfIn PDF document text
- http://fosireditoj.mygamesonline.org/29433259504.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/ccc14779-35ea-4e64-9a01-43f0cab49bb4/47595351807.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/92f61033-0930-49e0-9e96-89458a05e528/beginners_guide_to_digital_painting_in_photoshop_2nd_edition_review.pdfIn PDF document text
- http://pasobopupolom.rf.gd/antimalarial_vaccine.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/05aaae99-dcd5-44ee-9e10-e18a854455a1/how_old_is_snow_white_prince_age.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/74ee923c-e1e4-440f-beed-65b6248bdfb2/1572209595.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5763516e-70bc-43ea-9eba-6da5a5639849/ti-34_multiview_e.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1148ca94-012f-4759-9aad-dd6b1ccaf8e5/theme_of_the_story_the_last_leaf_brainly.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9ae8e9ef-5e90-4c37-8c9f-2f29cca1a981/dazatisadizidufavejoj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f1a7b6d8-fbdf-4c9c-89f2-97d758b47db7/96031052843.pdfIn PDF document text
- http://kuwubuvorij.rf.gd/gowesewifopologepiw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/71f971e4-61e4-4b20-ae93-5794815223cd/war_and_peace_by_leo_tolstoy_analysis.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f2e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2E1 | 5420 bytes |
SHA-256: 97d73996529da2bd46b9012e63a3ccadc1719994f7f4d2ec5e4ed84ff382000d |
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font_01_sfnt_off00010554.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10554 | 10872 bytes |
SHA-256: 0048c7971446020d90298b07186ce042adbec286ea6aa0c03de4da3bc2ef36ee |
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font_02_sfnt_off00012a3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A3C | 16060 bytes |
SHA-256: 4ef9506ee11a349461550e6b437e3786686b598308a87786035880d16624999d |
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