MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to suspicious domains, indicating a link farm or redirector strategy. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and a high ML score further support its malicious nature. The document body is heavily obfuscated, but the heuristics indicate a phishing or malware distribution attempt through external URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://vilenefex.ru/strik?utm_term=vizio+e550i-b2+remote+app PDF link annotation
- http://zugasanuko.getenjoyment.net/fuwisawifegaje.pdfIn PDF document text
- http://lodixewovufosa.iblogger.org/zoxowodejofuba.pdfIn PDF document text
- http://sugalomiwuto.getenjoyment.net/60656984861.pdfIn PDF document text
- http://sotikipi.22web.org/xajafipozovon.pdfIn PDF document text
- http://zaranes.getenjoyment.net/xuwenufivelugejojuxobu.pdfIn PDF document text
- http://pokezokebawi.mygamesonline.org/word_meaning_in_urdu_audacity.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://49550882-97ce-44db-a38b-6e383bb81149.filesusr.com/ugd/062c90_b92ce9364d30424e854d3ed14ec26f2f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/rurosaveruk/21700747489.pdfIn PDF document text
- https://s3.amazonaws.com/zaxawetawupo/roniki.pdfIn PDF document text
- https://s3.amazonaws.com/dudujopixejikug/samazafajajopiraxubavamab.pdfIn PDF document text
- http://wewefaxekedafoz.epizy.com/21699494047.pdfIn PDF document text
- https://s3.amazonaws.com/mokamoba/conectores_en_espaol_ejercicios.pdfIn PDF document text
- https://s3.amazonaws.com/dutimajizowa/sakerirago.pdfIn PDF document text
- http://xigesema.epizy.com/anita_s_breakfast_burritos_nutritional_information.pdfIn PDF document text
- https://5b2b9875-3923-4577-9ef6-0527498c95e7.filesusr.com/ugd/4e6dd5_e096d3d540334623afc20616c5da3916.pdf?index=trueIn PDF document text
- https://8e12fe21-47c1-448c-af9e-883e7c84523b.filesusr.com/ugd/52ac5e_28bc1eae610c493e8c460b6247a529fa.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/lezopobigeza/2146243399.pdfIn PDF document text
- https://s3.amazonaws.com/pafexegud/14435327276.pdfIn PDF document text
- https://s3.amazonaws.com/paropabaru/zutot.pdfIn PDF document text
- https://s3.amazonaws.com/potamotaz/picsart_photo_studio_app_android.pdfIn PDF document text
- https://s3.amazonaws.com/tixedujegibex/96341051356.pdfIn PDF document text
- https://2703069b-a6ff-4ff9-983c-db139a8d76ba.filesusr.com/ugd/8b61cf_079326ec62144b9b8aabfd9de921e8bc.pdf?index=trueIn PDF document text
- https://b1706aec-e9b1-4c6c-9a93-f14ef4a1c402.filesusr.com/ugd/3b47cb_51ffc9302db34a37b41cc5bb9faa3d27.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001271a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1271A | 5340 bytes |
SHA-256: 2e96937f4af900c0c727fb817b7e70d56dd56ecfd97cbf4540aaf7434d7020a9 |
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font_01_sfnt_off00013942.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13942 | 12600 bytes |
SHA-256: 14c6f9151f4b7b26d7d157f23548b3c86e8f272d5769f2d95ec80dbbfda272b6 |
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font_02_sfnt_off000163bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x163BF | 16092 bytes |
SHA-256: e9fe716c2abc985b12a899a49d5539e4e8be1b56d50c083b30290d85a2a7c848 |
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