MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by both ML classification and ClamAV. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO manipulation tactic. The primary malicious URL identified is https://jottigo.ru/award?keyword=cours+d+apiculture+pdf. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of malicious intent, likely to redirect users to phishing or malware-hosting sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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External URI info PDF_URIPDF contains an external URL action
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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://jottigo.ru/award?keyword=cours+d+apiculture+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4454973/normal_5fe644ea22ea2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408352/normal_603e58c46024e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4466154/normal_604e641b8ccd6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4401525/normal_5fe4702783b77.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374021/normal_604f3295c76be.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486359/normal_5fd95cea824b6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408599/normal_602b3f33759bd.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://98350ace-7ac4-4f38-a9d9-579fdad8050b.filesusr.com/ugd/9b2d9b_c88efc389e464cec800d47d3fb34209f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f8cfa24c-ed93-46ce-9c16-8870ea897290/angles_and_triangles_worksheet_4th_grade.pdfIn PDF document text
- https://8d94caac-80d5-4f6d-a73a-04ed47837dc1.filesusr.com/ugd/585b1d_cc8e29846685438bb26d14d8adbde11b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/22d6197f-f785-45b3-919e-5d0c70456f77/essentials_of_statistics_for_business_and_economics_8th_edition.pdfIn PDF document text
- http://xezipunefosipu.epizy.com/tikajajetixugen.pdfIn PDF document text
- http://wasalesex.epizy.com/konudupemun.pdfIn PDF document text
- https://4ef57e19-9a2e-4e6f-a444-f6b59f982a39.filesusr.com/ugd/4c1554_0817b3808f44425aa0fc70be9fa12feb.pdf?index=trueIn PDF document text
- https://41c240d9-b4af-4f88-8fa4-2a41cce3a287.filesusr.com/ugd/01bc73_059d389ad9904d4696cf53179ef0dac4.pdf?index=trueIn PDF document text
- http://melitere.epizy.com/bter_revaluation_form_2019_last_date.pdfIn PDF document text
- https://79d8ee67-2172-45f8-9737-086b37aa5bdf.filesusr.com/ugd/2ab2ae_7571ec6ec7934a2ead1dbd0b6a59060b.pdf?index=trueIn PDF document text
- http://sugorotebego.epizy.com/78069702793.pdfIn PDF document text
- http://risafajafefe.rf.gd/when_does_csco_report_earnings.pdfIn PDF document text
- https://e028ba52-6c86-493e-86b7-fecf7cd1c3eb.filesusr.com/ugd/bcb9fd_aed1d8a73edb4ac2b4c8b6134ca45f60.pdf?index=trueIn PDF document text
- https://3bdad275-8828-414d-9063-9532e035d791.filesusr.com/ugd/c67d0c_28441cfbb41a44fa9e82c6856b2ac1d7.pdf?index=trueIn PDF document text
- https://e57d8632-f742-4524-ada6-9cdf759d9f13.filesusr.com/ugd/b0cb2d_74bf6b0aaf1443f1a92870890a49f1cd.pdf?index=trueIn PDF document text
- https://336ddc11-c37d-4cd6-9685-7accad2975f7.filesusr.com/ugd/479fa9_80d694234d3644bab07af7bd2691031a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b255350c-98e4-42c0-9a53-59b2b18358ea/craftsman_garage_door_opener_repair_youtube.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6544379d-a8bc-476d-9876-71c59d9b945f/how_to_quit_smoking_easy_and_fast.pdfIn PDF document text
- https://3568c1c9-c281-4b9a-9ea9-d5d291e0176b.filesusr.com/ugd/e5d8db_1e3532323fd9441a9e0746dcbee0f87a.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_off0000ee9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE9B | 5052 bytes |
SHA-256: caccc9a6fb7481fbdc778e4dded3ae2591ea81cff9ca7bf39346d0852c2a3971 |
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font_01_sfnt_off0000ffd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFD8 | 13236 bytes |
SHA-256: 41368f92af359d913f74f55a3d82b5e3eded4932f9b31f6e9328eab85014c743 |
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