MALICIOUS
76
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a high-severity heuristic indicating an image lure linking to an SEO redirector, specifically for 'free-download phishing'. The embedded URL, https://huntic.ru/pbw?utm_term=thirukkural+story+writing+in+tamil, is the primary indicator of this malicious intent. While no scripts were explicitly extracted, the PDF structure and the presence of external links suggest an attempt to redirect the user to a malicious website.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 4
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://huntic.ru/pbw?utm_term=thirukkural+story+writing+in+tamil PDF link annotation
- https://cdn-cms.f-static.net/uploads/4482619/normal_60653a1988654.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370768/normal_601f4266dfe02.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470028/normal_5feb781b3b3c9.pdfIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://wamotarirup.pbworks.com/w/file/fetch/144422952/connect_outlook_2013_to_yahoo_mail.pdfIn PDF document text
- http://nunaruribeg.pbworks.com/f/how_to_activate_g-shift_g502.pdfIn PDF document text
- http://bepisoxu.pbworks.com/w/file/fetch/144437187/13576861852.pdfIn PDF document text
- http://ziduzobif.pbworks.com/f/holt_physics_problem_2a_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/536731dc-dd43-4ff7-bfbd-806e29114aa5/zugenedosurorajilibowag.pdfIn PDF document text
- http://mumasenekera.pbworks.com/w/file/fetch/144416988/festival_internacional_de_musica_y_danza_de_granada_2019.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a0ff10ce-b3d8-48a9-84d4-29f027a0c8b3/materia_y_energia_ejercicios_resueltos.pdfIn PDF document text
- http://dipoziw.pbworks.com/w/file/fetch/144440343/36961068042.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6cb96352-c397-4240-8e53-8e1bec0e3dd9/rimoxututiwujeximalu.pdfIn PDF document text
- http://palixazoke.pbworks.com/f/metefif.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7e39e53f-bb47-4a0d-97f6-140dd8ba9210/dovoparodivexakare.pdfIn PDF document text
- http://jesababa.pbworks.com/w/file/fetch/144413976/75834922639.pdfIn PDF document text
- http://foziwedugumu.pbworks.com/f/rinnai_heater_error_11.pdfIn PDF document text
- http://letonepamusi.pbworks.com/w/file/fetch/144453984/fabaxewixojoz.pdfIn PDF document text
- http://mapijakemifo.pbworks.com/w/file/fetch/144445275/tomenizufuxanaregofemenol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e5895ed9-752f-41b5-87d8-656c4db01dff/bollinger_upper_band_meaning.pdfIn PDF document text
- http://xalanupuzewo.pbworks.com/w/file/fetch/144423183/67756179230.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_006_off0002a28d.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x2A28D | 25688 bytes |
SHA-256: 50688853a660242ba3039f54481627aed4ffc234fd1bd44e47a691a8ecb7f843 |
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font_00_sfnt_off00029095.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x29095 | 5308 bytes |
SHA-256: 23a113cee2b4304a0bfe110dac2c02053af3a6ab5899312551ee971254904252 |
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font_02_sfnt_off0002d711.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2D711 | 14340 bytes |
SHA-256: 5450bedd29bb79f7e3be4af44b5c83c09cdf2fa2cd7456b731452de101b94b95 |
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