MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is identified as malicious by multiple heuristics and a machine learning classifier, with ClamAV detecting it as a 'Pdf.Phishing.Trojan'. It contains a significant number of external links, many pointing to disposable hosting services, characteristic of a link farm or phishing operation. The document body, though heavily obfuscated, suggests a lure related to 'heteronyms' and includes metadata from wkhtmltopdf, indicating it was likely generated programmatically to host these links.
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://ponafet.ru/strik?utm_term=what+are+some+examples+of+heteronyms PDF link annotation
- https://muwunijika.weebly.com/uploads/1/3/1/3/131398004/jizigijuzovizo-tasajilagat-riwiwem-xezidot.pdfIn PDF document text
- https://timelasabo.weebly.com/uploads/1/3/4/3/134345700/9442034.pdfIn PDF document text
- https://zafubunemajuz.weebly.com/uploads/1/3/5/3/135314528/6433304.pdfIn PDF document text
- https://muledejudo.weebly.com/uploads/1/3/4/8/134888896/zujarogax.pdfIn PDF document text
- https://fizetisiwukuz.weebly.com/uploads/1/3/4/3/134339589/17746768961e6f4.pdfIn PDF document text
- https://gexuguxibam.weebly.com/uploads/1/3/2/6/132696321/vidediferelobap.pdfIn PDF document text
- https://finirawex.weebly.com/uploads/1/3/2/7/132741073/2481741.pdfIn PDF document text
- https://segoponozumi.weebly.com/uploads/1/3/4/0/134000249/zavivafotinob-mugapago-jamazekotawef.pdfIn PDF document text
- https://zulufiki.weebly.com/uploads/1/3/4/6/134662959/jidoke.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/8446a739-3592-47f8-84e0-1e4df257eb2d/82870962163.pdfIn PDF document text
- https://s3.amazonaws.com/fuvidokibet/how_to_pray_for_prodigal_son.pdfIn PDF document text
- https://s3.amazonaws.com/jeworurowam/formyl_chloride_hydrogen_bonding.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0b398d2d-3130-4251-a4db-cbb2058103ce/percy_jackson_series_2_book_5.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/51ce5937-3524-44cf-be16-afbb57ddc9b9/shimano_ultegra_di2_software_mac.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a20fa45a-55fd-446b-8fca-1f78536a885d/how_many_airborne_units_are_there_in_the_us_army.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/83ebce5e-8cc8-4c07-9d14-9db2c28defab/5008365033.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3bd0ff7f-271f-4122-bd2c-5d2d664700f3/in_the_first_stage_of_the_revolution_the_french_established_a.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b0d16325-2a62-4746-905a-e96ef3cb6cea/kazalimofikekisa.pdfIn PDF document text
- https://s3.amazonaws.com/popilo/training_effectiveness_evaluation_answer_examples.pdfIn PDF document text
- https://s3.amazonaws.com/likerajatob/lilujedug.pdfIn PDF document text
- https://s3.amazonaws.com/gidibesuxi/namaninamepapanopodegiros.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_off0000ea42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA42 | 5324 bytes |
SHA-256: 7757fa91840b67a7567fea1955417ad8ffb7fd6e24be4e7069f343f3d50b59cb |
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font_01_sfnt_off0000fc4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC4A | 10532 bytes |
SHA-256: 592a3d17bfaaddab8d3bcbee2318cc26d102f2b0aa5e27bca8b714593ecdf4c7 |
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