MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded links, many of which point to a redirector service. The primary malicious URL identified is https://yafferge.ru/strik?utm_term=perry+handbook+espa%25C3%25B1ol+pdf, which is flagged as a malicious redirector. The document's structure and link farm suggest a phishing or scam attempt, likely aiming to direct users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/strik?utm_term=perry+handbook+espa%25C3%25B1ol+pdf In PDF document text
- https://fabirakarag.weebly.com/uploads/1/3/2/7/132710689/2418005.pdfIn PDF document text
- https://wisevagidigo.weebly.com/uploads/1/3/0/7/130740356/804c0bfe56.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4405953/normal_5fdcbfc95552c.pdfIn PDF document text
- https://pibezenasa.weebly.com/uploads/1/3/1/4/131454503/zokibixugudidivu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487631/normal_5fc88450b9640.pdfIn PDF document text
- https://rafunipigadim.weebly.com/uploads/1/3/1/3/131380466/4982859.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476432/normal_5fe9c3f534621.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/taturi/88999364212.pdfIn PDF document text
- https://s3.amazonaws.com/vapite/49741369803.pdfIn PDF document text
- https://s3.amazonaws.com/taguxif/adobe_illustrator_watercolor_brushes_free.pdfIn PDF document text
- https://s3.amazonaws.com/nagudo/how_to_start_a_career_in_network_marketing.pdfIn PDF document text
- https://s3.amazonaws.com/gekojulog/peluronizofibuguku.pdfIn PDF document text
- https://s3.amazonaws.com/turip/20394892546.pdfIn PDF document text
- https://s3.amazonaws.com/gulapore/phool_bane_angaray_hd_movie.pdfIn PDF document text
- https://s3.amazonaws.com/zisulamisozoto/google_academico_tesis.pdfIn PDF document text
- https://s3.amazonaws.com/wanasuvedigo/beyonce_mtv_single_ladies_performance.pdfIn PDF document text
- https://s3.amazonaws.com/tarajix/29027533057.pdfIn PDF document text
- https://s3.amazonaws.com/tikoweravisixu/refeka.pdfIn PDF document text
- https://s3.amazonaws.com/debiwelof/usda_full_form_food.pdfIn PDF document text
- https://s3.amazonaws.com/fokapikow/minecraft_cracked_team_extreme_launcher.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 |
|---|---|---|---|
font_00_sfnt_off0000cdc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDC1 | 3016 bytes |
SHA-256: 6b1886100909a5777bb30fc7b7be00bba8ed48ad5f5b392b7a0cb4783a0739ac |
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font_01_sfnt_off0000d87b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD87B | 5648 bytes |
SHA-256: ed266b98ff7725c33ce7f92d0d986ad9b8b42ac69931efd56b92e36eb1f6a293 |
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font_02_sfnt_off0000eb67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB67 | 10492 bytes |
SHA-256: 76b813bc94e12a44733ac40d834dddb718fb774f2b3c01d77dd142b0eb72181c |
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