MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file exhibits characteristics of a phishing lure, employing SEO tactics and redirectors to lead users to external sites. The presence of numerous external links, including a link farm and a redirector pointing to 'dugedepap.ru', strongly suggests an attempt to trick users into downloading or accessing malicious content. The ClamAV detection and ML classifier further support its malicious nature, likely as a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://dugedepap.ru/123?utm_term=install+spanish+keyboard+android PDF link annotation
- http://foyou.store/function_of_coelom_in_arthropodszjo92.pdfIn PDF document text
- http://lutafem.getenjoyment.net/coreldraw_file_to_converter_free_download.pdfIn PDF document text
- https://cdn.sqhk.co/gujipiror/4hcWYBF/10417900694.pdfIn PDF document text
- http://wordwild-store.com/difedobonawugulowilg8wq.pdfIn PDF document text
- https://sanokigoj.weebly.com/uploads/1/3/4/8/134863934/teraxuxawaju-zozolepewinadig-wodidodosujin-xejirozizo.pdfIn PDF document text
- https://leditolovon.weebly.com/uploads/1/3/2/6/132682688/zagexumewibog.pdfIn PDF document text
- http://reweder.site/jiwasotadodad1gw02.pdfIn PDF document text
- http://lenuvivureropi.scienceontheweb.net/56283780209.pdfIn PDF document text
- https://cdn.sqhk.co/divabasom/IahaeOI/agatha_christie_s_marple_free.pdfIn PDF document text
- https://kusavavatixe.weebly.com/uploads/1/3/4/8/134878613/notuki.pdfIn PDF document text
- http://bukuminuwakub.mypressonline.com/do_you_check_power_steering_fluid_with_the_engine_on_or_off.pdfIn PDF document text
- https://cdn.sqhk.co/kajipazuto/cIgjfnT/94809135394.pdfIn PDF document text
- https://cdn.sqhk.co/sazalevimit/iexgje1/gobusedu.pdfIn PDF document text
- http://furniture21.online/zaziwowasebamozimhnl0.pdfIn PDF document text
- http://ellmax-site.xyz/mabefuluxujeferoleniniz5lubz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/luborinizu/gijazom.pdfIn PDF document text
- https://s3.amazonaws.com/lopadivupudexa/1650262757.pdfIn PDF document text
- http://sodowurivav.onlinewebshop.net/wepaxe.pdfIn PDF document text
- https://s3.amazonaws.com/xefezesebusu/sims_3_camera_sims_4_ps4.pdfIn PDF document text
- http://tebaputazaxuva.myartsonline.com/how_to_change_door_direction_on_whirlpool_duet_washer.pdfIn PDF document text
- https://s3.amazonaws.com/bakoloj/49024761140.pdfIn PDF document text
- https://s3.amazonaws.com/zusevamasor/witavanokisumowagoman.pdfIn PDF document text
- https://forums.androidcentral.com/showthread.php?t=256650&s=822c5a5415ddc259f4d2a221fb1c18eaIn 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
- https://forums.androidcentral.com/showthread.php?t=256650&s=822c5a5415ddc259f4d2a221fb1c18eaIn 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_off0000ef16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF16 | 5080 bytes |
SHA-256: 5360e65cf3dfcadc35ac242089224747e387b02ba5558dbdfe3101ff2792b3b6 |
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font_01_sfnt_off0001003e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1003E | 10364 bytes |
SHA-256: 4ecd091c07c43cf287ed41ab133726433c9f03942c052d43ddb76e469878efeb |
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font_02_sfnt_off000123cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123CF | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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