MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a heuristic firing for an SEO redirector link, indicating a phishing lure. The embedded URL 'https://midufefew.ru/123?utm_term=archie+tarzy+music' is the primary indicator of this malicious activity. The ML classifier and ClamAV detection strongly support the malicious nature of this PDF, likely used as a phishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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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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://midufefew.ru/123?utm_term=archie+tarzy+music PDF link annotation
- https://s3.amazonaws.com/tufitijinexu/how_many_calories_in_each_food.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370319/normal_5ff918d76eccc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446930/normal_600e62ce54800.pdfIn PDF document text
- https://s3.amazonaws.com/pazerogasarinu/which_pressure_cooker_is_best_in_india.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366014/normal_6015bd43e962a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393016/normal_5fd9c4c957a3c.pdfIn PDF document text
- https://s3.amazonaws.com/ziwuvijevo/77237534031.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482848/normal_6005774b5ec16.pdfIn PDF document text
- https://s3.amazonaws.com/rolefosiju/11520831022.pdfIn PDF document text
- https://s3.amazonaws.com/leteraxewe/gapawoki.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4447258/normal_5fe5a5e08e96c.pdfIn PDF document text
- http://sehq.xyz/calculus_ab_worksheet_1_on_limitsghmxp.pdfIn PDF document text
- http://vugekowuzujed.scienceontheweb.net/farewell_my_lovely_film.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447631/normal_600c51e93edc4.pdfIn PDF document text
- http://shop-onlain.fun/jobudabibowogufoferb9m91.pdfIn PDF document text
- https://s3.amazonaws.com/xoferuzu/child_welfare_information_gateway_2015.pdfIn PDF document text
- https://s3.amazonaws.com/xumakomowi/ulster_girl_guides_lorne.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390330/normal_6015d36f55331.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://supuwevul.atwebpages.com/polaris_360_pool_cleaner_owners_manual.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 6
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001473f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1473F | 8324 bytes |
SHA-256: f65d1ae6e5e5930e765bbb6ba6df62c64fd8b8089bf89c8352f945a24b30d386 |
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font_01_sfnt_off000162f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x162F1 | 5148 bytes |
SHA-256: e72f18394c4cf76bce8f9848a89c4534444dd6abd73996b100810252cfdc073d |
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font_02_sfnt_off0001744f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1744F | 1872 bytes |
SHA-256: d84d133f8be175c41a9a30ca74c194ff4552f1bd6589e6972d6457ca5359e694 |
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font_03_sfnt_off00017d3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17D3E | 16616 bytes |
SHA-256: 2883f96e92ab2f12cdcaf573b8aa83cbfcd849f60f357ccd37feb81b735258a3 |
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font_04_sfnt_off0001b00f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B00F | 16884 bytes |
SHA-256: bc6c42dfb6365b44170e8a0eafc9701fe406e598182aab5403e2b4a6208e9a56 |
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font_05_sfnt_off0001c7c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C7C5 | 1736 bytes |
SHA-256: 1648accd5638f26481c437d0e436fdfb03edab78dab75f4e73239278c8cddc19 |
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