MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO spamming operation. The primary URL, 'https://jumiwimov.ru/123?utm_term=oxford+medical+dictionary+pdf+free', indicates a lure to download a dictionary PDF, but the overall structure points towards malicious intent. The ML classifier and ClamAV detection strongly indicate this PDF is malicious, likely serving as a dropper or phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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/123?utm_term=oxford+medical+dictionary+pdf+free PDF link annotation
- http://vurejowug.mypressonline.com/carl_g_jung_libros.pdfIn PDF document text
- https://cdn.sqhk.co/fiduzosi/dhiax4c/mod_spotlight_planescape_torment_mods_guide.pdfIn PDF document text
- https://wakavofidokevi.weebly.com/uploads/1/3/2/6/132681750/dc8a6cf95.pdfIn PDF document text
- https://musigimipipo.weebly.com/uploads/1/3/4/4/134470090/8017625.pdfIn PDF document text
- http://bivaxosufuxibo.mygamesonline.org/alphabet_chart_download.pdfIn PDF document text
- http://fesufobototezer.mywebcommunity.org/what_makes_a_good_sports_leader.pdfIn PDF document text
- https://balixilime.weebly.com/uploads/1/3/1/3/131398392/d931ea156ae7aea.pdfIn PDF document text
- https://cdn.sqhk.co/mowaxuso/jicbjp1/fudezigibapebali.pdfIn PDF document text
- https://dakilemuvepin.weebly.com/uploads/1/3/5/9/135963620/zerotex.pdfIn PDF document text
- https://cdn.sqhk.co/juwasakekeja/ijgggiU/89779669332.pdfIn PDF document text
- http://jefigesawek.iblogger.org/english_course_classes_near_me.pdfIn PDF document text
- https://cdn.sqhk.co/saboretiki/igSLhfo/watagatopukosamuxanavigu.pdfIn PDF document text
- http://lutolojom.22web.org/grammar_activities_for_intermediate_esl_students.pdfIn PDF document text
- https://vimitorumu.weebly.com/uploads/1/3/0/8/130814921/xukuwejufa.pdfIn PDF document text
- https://cdn.sqhk.co/bedipidis/7ji3ija/where_did_the_word_sandwich_originated.pdfIn PDF document text
- http://wovoradomumakil.medianewsonline.com/98221067032.pdfIn PDF document text
- http://pezozolagipiv.22web.org/after_effects_cs5_mega.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://aee666f7-65d2-4416-8089-42e5bd85255d.filesusr.com/ugd/c4036c_b155fa2e2ad845f69bfb9d2b5f56d85d.pdf?index=trueIn PDF document text
- http://webubekesivamuf.epizy.com/normal_and_abnormal_behavior.pdfIn PDF document text
- http://bisapejavi.epizy.com/breakfast_at_tiffanys_book_summary_sparknotes.pdfIn PDF document text
- http://vosoximulitit.rf.gd/ludazelokesoror.pdfIn PDF document text
- https://71b4061d-0fbe-47a8-a671-08758978b022.filesusr.com/ugd/0216f2_555c68be49be49d3a168ca70784b044a.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_off0000e8e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8E8 | 5320 bytes |
SHA-256: f12fea661b5ee73d9fada1059b00db20650e3753fd1fc04db3276ebf855415b8 |
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font_01_sfnt_off0000faf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAF8 | 11140 bytes |
SHA-256: 614ddf7a2d118733e88a6ade6ad7bb24cb523b79d0b23af401c4cfe1f44891e5 |
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font_02_sfnt_off00012107.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12107 | 16544 bytes |
SHA-256: c64f975c7c74378765a15e192890ba001b575443647995d4109c17b56814fb1e |
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