MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to disposable hosting, indicating a link farm or phishing operation. The ML classifier and ClamAV detection strongly suggest malicious intent, specifically identified as phishing or a trojan. The embedded links and the heuristic 'PDF_SEO_LINK_FARM' confirm the document's purpose is to redirect users to potentially malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://smidgel.ru/pbw?utm_term=ap+calc+2019+frq+answers PDF link annotation
- https://jorazejub.weebly.com/uploads/1/3/2/6/132695428/nepiriruki.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4467043/normal_5ffa9ff30e08a.pdfIn PDF document text
- https://tifopenowotak.weebly.com/uploads/1/3/4/4/134480635/raxigofekabov.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417139/normal_5ff87e7b3ce0a.pdfIn PDF document text
- https://nenizipefofobi.weebly.com/uploads/1/3/4/3/134337801/muniterenazusej.pdfIn PDF document text
- https://nilarekatopa.weebly.com/uploads/1/3/1/1/131163832/51fc7.pdfIn PDF document text
- https://sanositew.weebly.com/uploads/1/3/1/8/131872303/8274798.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453332/normal_60592dd6ab5f5.pdfIn PDF document text
- https://xulavuxedipi.weebly.com/uploads/1/3/4/0/134017657/wafugus.pdfIn PDF document text
- https://mogiwojijefinan.weebly.com/uploads/1/3/4/9/134900510/e94503.pdfIn PDF document text
- https://xamolugasopiw.weebly.com/uploads/1/3/4/4/134468056/9334026.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/a8404ca1-0c55-432a-87df-48957d7c9e57/vazaguxutemi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ccec95fd-7e49-4381-a473-afa4c3d0aa53/jlab_sport_wireless_earbuds_pairing.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ea55a2cd-fbbb-466c-b8cf-44718e7118cb/15769878339.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0d0be390-23ea-49f6-ba94-a0360d3231f7/vukomawadazefodenamefox.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7779c133-723b-4e95-b7a7-75d0e1211206/undyne_the_undying_simulator_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4eb46e00-d047-4845-be7d-5e2557558e47/juviropukujikedaba.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ac25647e-adee-4cd9-9059-93f92eaf495e/everstart_smart_charger_code_fo1.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/39cc4df6-3441-444a-a8c1-8cdb9e9824f4/how_to_draw_animation.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_off00010fea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FEA | 5696 bytes |
SHA-256: 38dd5d5bdcbbab9f21b0eb5c86ceace9475dc2e037268e112410b109f05e5cc1 |
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font_01_sfnt_off0001237c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1237C | 11800 bytes |
SHA-256: 1d17de8776ee00217bb429c7f6aeb71a071bed39ad7a8a432ab34de5c7a390d8 |
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