MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many of which point to SEO-optimized URLs designed to redirect users to potentially malicious content. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of these links, suggesting a link farm or phishing operation. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and ML classification further supports its malicious nature. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a phishing or malware distribution attempt.
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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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://resalured.ru/strik?utm_term=10+day+green+smoothie+challenge+recipes PDF link annotation
- http://alsamcctv.com/suffixes_worksheet_grade_4bgguz.pdfIn PDF document text
- https://s3.amazonaws.com/niporofez/natosanezosafatatemar.pdfIn PDF document text
- https://s3.amazonaws.com/zoromexemuzid/zolusadepuwasasofenemuju.pdfIn PDF document text
- https://kedosesu.weebly.com/uploads/1/3/4/8/134853013/7974547.pdfIn PDF document text
- https://woxogobigevi.weebly.com/uploads/1/3/0/8/130814596/ladolobuk.pdfIn PDF document text
- http://mx50off.pro/84369240978vvnxg.pdfIn PDF document text
- https://xapukaxefibaj.weebly.com/uploads/1/3/4/7/134772468/2392884.pdfIn PDF document text
- https://s3.amazonaws.com/pobixedele/31747485149.pdfIn PDF document text
- https://s3.amazonaws.com/rujabepifar/able_resume_templates_word_2018.pdfIn PDF document text
- https://s3.amazonaws.com/bupijila/81863962132.pdfIn PDF document text
- https://nasijominazol.weebly.com/uploads/1/3/4/3/134366940/9050646.pdfIn PDF document text
- http://krokoboko3.xyz/574190164725iv24.pdfIn PDF document text
- https://nuwusiran.weebly.com/uploads/1/3/5/3/135321198/9564799.pdfIn PDF document text
- https://s3.amazonaws.com/xufaxoferugod/funusivufemif.pdfIn PDF document text
- https://s3.amazonaws.com/lekizopiloref/87643940651.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://7f1d4f38-7308-4051-b389-b8ed31312188.filesusr.com/ugd/e948c1_04eefc674e2a40a591611801a011bbcf.pdf?index=trueIn PDF document text
- https://86f5e18a-8766-4ae7-b9bf-31430b627380.filesusr.com/ugd/911c12_a7efc79024974319a226662f1b266d17.pdf?index=trueIn PDF document text
- https://aed022ca-8a9d-452d-9022-56a74a585a14.filesusr.com/ugd/4d548e_9061d8b2f19a4a72a5ab86bc605d65fb.pdf?index=trueIn PDF document text
- https://4b4b92a8-4ac5-4030-97d5-af0917f8c077.filesusr.com/ugd/0251f0_0ad958badcc34e17af2f0ef3bf9006d6.pdf?index=trueIn PDF document text
- https://85ed388a-52e0-4e79-9737-9d4b769dda71.filesusr.com/ugd/bb10c5_fa5e8f1a8dc54f209ad1d43c757ee053.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_off0000cfde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFDE | 5688 bytes |
SHA-256: 2a33f8ab227b760e473af049fd98466f91ac6c6d16ef36e89b89ad207bf84bd5 |
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font_01_sfnt_off0000e31f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE31F | 10108 bytes |
SHA-256: c4c94bf9c6814eb8ace520e058236cd25edf4b0e14fabc0b7cded8cf0b353913 |
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