MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable domains, indicative of a link farm or SEO manipulation scheme. ClamAV and ML classifiers strongly flagged this PDF as malicious, specifically as a phishing trojan. While no scripts were extracted, the structure and URL patterns suggest an attempt to lure users to malicious or deceptive content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://leonvi.ru/wix?keyword=gba+rom+unblocked PDF link annotation
- https://cdn-cms.f-static.net/uploads/4378161/normal_6046da511a288.pdfIn PDF document text
- http://pozufopajosel.mypressonline.com/lelavod.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443823/normal_6016006838f36.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386618/normal_601dea17719b9.pdfIn PDF document text
- http://lamaded.mywebcommunity.org/what_does_an_er_physician_do.pdfIn PDF document text
- http://lunatan.medianewsonline.com/southwest_premier_travel_insurance.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://18b09f4e-de4d-4c1b-9fe6-be55c63b1c00.filesusr.com/ugd/cd81e9_6dc552adb8de41768d672d426892c424.pdf?index=trueIn PDF document text
- http://futebowa.atwebpages.com/15172812128.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/620f067a-29ae-4efb-aa43-fef5fedbae67/zigujudevitikeko.pdfIn PDF document text
- https://ec08fec6-e576-400d-8504-372613838d3c.filesusr.com/ugd/57e0ce_fd2ffaff404244df85164f37cca14e7b.pdf?index=trueIn PDF document text
- https://27aa3d6a-fcc1-4574-a8e0-77dd5bf64dcc.filesusr.com/ugd/7683ec_33890a6308e44e0ab72bd46f1c2ca189.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/152b00f3-6fc2-452d-a2f2-4f4f2b7b28d8/john_rawls_justice_as_fairness_a_restatement_sparknotes.pdfIn PDF document text
- https://551f0ad2-75d1-4009-b90b-2f3e3e20230b.filesusr.com/ugd/c2bf0a_f25c1c9fdb58415880e490cf8fb80017.pdf?index=trueIn PDF document text
- https://3c86e5df-9a55-47dd-9d5b-c207b25ec6cd.filesusr.com/ugd/72bf36_b54be07f4966491e9773eb294eedf316.pdf?index=trueIn PDF document text
- https://438e95ed-c264-4db5-88d3-1a9ca8b91b86.filesusr.com/ugd/733c1f_d2cecc4bd3314951a252a2f9aa418a76.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gonima/ordinal_numbers_activity_sheet.pdfIn PDF document text
- https://50037ee0-0691-4a53-bdc2-b2f8f795cfa6.filesusr.com/ugd/b41a9a_a475e1f6e3e749778790b64f715b0887.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1fb21e65-7a99-4b1b-a149-82818155bcbc/significado_72_nombres_de_dios_para_imprimir.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/054d112e-434f-4916-928c-3642d07ea8da/2019_ford_mustang_ecoboost_turbo_upgrade.pdfIn PDF document text
- https://s3.amazonaws.com/punurum/how_to_take_off_delta_shower_faucet_handle.pdfIn PDF document text
- https://1b6a1bbc-c127-422b-858f-c975555fd18f.filesusr.com/ugd/31f47c_ad9f7863808e415a9f4cc2c47319ebc3.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_off0000fc76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC76 | 5144 bytes |
SHA-256: 4240ecfdb1fcae82c04b855bfe62b9ddf1d0c43ee6d6d8a8054bd2826c97405c |
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font_01_sfnt_off00010dde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DDE | 11240 bytes |
SHA-256: dc8fad78fcf3e49b91b15be22d86c8a993bdac1e741299a2d5720f900d9dc113 |
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