MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, characteristic of a link farm, with one prominent URL leading to a redirector. This redirector, disguised as a 'simply keto website' lure, points to a malicious domain. The presence of PDF_SEO_LINK_FARM and PDF_SEO_UTM_REDIRECTOR_LINK heuristics, along with the ML classifier and ClamAV detection, strongly indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://jumiwimov.ru/aws?utm_term=simply+keto+website PDF link annotation
- https://s3.amazonaws.com/xeponodij/78951115392.pdfIn PDF document text
- http://wepijafiguwenan.mywebcommunity.org/bewise_classes_notes_gk.pdfIn PDF document text
- https://s3.amazonaws.com/zopenave/325047030.pdfIn PDF document text
- http://wasatosu.sportsontheweb.net/mupolus.pdfIn PDF document text
- https://s3.amazonaws.com/firudegix/57184188222.pdfIn PDF document text
- http://ruwemipuwev.mypressonline.com/45963993775.pdfIn PDF document text
- https://s3.amazonaws.com/tugafebip/sonic_nutrition_breakfast_burrito.pdfIn PDF document text
- https://s3.amazonaws.com/gonafoziguwewe/einthusan_er_online.pdfIn PDF document text
- https://s3.amazonaws.com/pusori/bank_customer_service_representative_resume_no_experience.pdfIn PDF document text
- https://s3.amazonaws.com/mubefula/resident_evil_movie_in_tamil_hd.pdfIn PDF document text
- http://gexomafe.mypressonline.com/4457863881.pdfIn PDF document text
- https://s3.amazonaws.com/vatakefojunib/callus_formation_after_rib_fracture.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- http://nimanexobubibub.onlinewebshop.net/how_to_factory_restore_apple_time_capsule.pdfIn PDF document text
- http://kisalonokexiwi.atwebpages.com/11443629054.pdfIn PDF document text
- http://tenurusimuxu.epizy.com/automation_anywhere_user_manual.pdfIn PDF document text
- https://bff5fdab-9fd0-4670-908b-a1308bb5a9cb.filesusr.com/ugd/227d0f_013575f686d541c7a1b9756e2fd24a48.pdf?index=trueIn PDF document text
- http://lodakakurozakod.epizy.com/gisebarusetewumo.pdfIn PDF document text
- https://696f1bd8-06c3-47a7-a8f7-e83e17ec8d18.filesusr.com/ugd/5ad03d_8718d77d07d44fe18da050ebd04417b2.pdf?index=trueIn PDF document text
- http://jasunusemoki.onlinewebshop.net/vocabulary_test_with_answers_for_high_school.pdfIn PDF document text
- https://bb55feb6-a0c4-48ae-8f72-aea2c45912f8.filesusr.com/ugd/b9801a_6b0175055175443b8a090afc7c9f9760.pdf?index=trueIn PDF document text
- http://kenamumiv.rf.gd/farberware_pressure_cooker_guide.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://www.gnu.org/licenses/gpl.htmlIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED48 | 5160 bytes |
SHA-256: 389fbcb86f6d23f58bec350b0994adf2779865b968e7556b71828a31190731c8 |
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font_01_sfnt_off0000fed2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFED2 | 6068 bytes |
SHA-256: d2d10b6b0c668cf26faa9347c7054f8580c7eefa5cb7aecda2a4fba74bd025f0 |
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font_02_sfnt_off00010e83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E83 | 10768 bytes |
SHA-256: 2eb4645e088dfe49d89b313d9c85438d0194868f7ed6639cec69d352e1b392be |
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