MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
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://bologen.ru/strik?utm_term=social+psychology+examples+quizlet PDF link annotation
- https://lekolusogi.weebly.com/uploads/1/3/4/3/134365603/605741.pdfIn PDF document text
- http://mazejofeg.mygamesonline.org/free_greenhouse_building_plans.pdfIn PDF document text
- http://tareworig.mywebcommunity.org/bridge_over_troubled_water_piano_sheet.pdfIn PDF document text
- http://ponaxamewimenul.sportsontheweb.net/aneurisma_serebri.pdfIn PDF document text
- https://kagojidumone.weebly.com/uploads/1/3/2/7/132740327/tifezegijofijinadon.pdfIn PDF document text
- http://riwopebikiguwa.mywebcommunity.org/merriam_webster_visual_dictionary_free_download.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://c809e8a6-5bdf-489d-8d8c-df4e4638a115.filesusr.com/ugd/45a296_6dfad34de7f24a9a98d819d699850a4d.pdf?index=trueIn PDF document text
- https://8a5a474a-a671-4857-921d-d1df0ee72544.filesusr.com/ugd/523716_1f680f12161548aa9f65b18add988ded.pdf?index=trueIn PDF document text
- https://1f49b3f1-4b09-4f89-88df-03804352fc9a.filesusr.com/ugd/a51aec_1278c2348abc44c6bb335fa16e6b13b3.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e0ba1e08-7a40-44bf-8000-c3669417e122/dilesa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cb1dcdc7-dd30-41b4-9eb6-29413d38be1e/how_to_replace_a_jenn_air_glass_cooktop.pdfIn PDF document text
- https://d6ac5066-27fc-4e71-a07d-b30af50dfe8b.filesusr.com/ugd/934fc3_0bcf21b6d83249f88d411f1db81d6cdd.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/74a82efc-a163-4581-ac75-fe87ab142a52/vabinimusexelojaruwupar.pdfIn PDF document text
- https://60883313-e483-4213-bdf2-3844198a3b35.filesusr.com/ugd/3ba96b_9f733d7fff794c098f0ca7813bbfac92.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/951a544b-5715-4301-868c-d901f9ea8523/how_do_you_restart_a_samsung_refrigerator.pdfIn PDF document text
- https://dd91dc4b-d2fe-4aab-ab17-22023aa64d5b.filesusr.com/ugd/f05b1d_a08793b291bc413ab56d71ea7dbb6038.pdf?index=trueIn PDF document text
- https://a8a57b57-a5e9-4b5c-b824-02731ce3a1bd.filesusr.com/ugd/cfa667_684293d3f41745e3b68e51379d2269fe.pdf?index=trueIn PDF document text
- https://018ae6bf-5b6e-4bf7-bb5f-89503284f855.filesusr.com/ugd/b7931c_a97bfb3c75b5442b8b5504c3d1367162.pdf?index=trueIn PDF document text
- https://d5bea983-5bca-41ba-aae6-6b688785cc77.filesusr.com/ugd/9ec29b_baa13c3a06fa4d80a474d012ec2bfd2a.pdf?index=trueIn PDF document text
- https://64b67c6e-fbbd-4787-add8-9ed3e274c95c.filesusr.com/ugd/eb6612_2e97690f7a0942b4a335361f9a80f0d3.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_off0000f8d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8D9 | 5700 bytes |
SHA-256: 504783d3f3a223e6fc2e612e3f8d76fa5da6e0e10ee6e128084454752cf1635f |
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font_01_sfnt_off00010c32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C32 | 10584 bytes |
SHA-256: dea437ed2ae9be889c0bae836bb848f103c6c1012dc9e2ecf2ae0ffdb4846a1c |
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