MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by multiple heuristics and a machine learning classifier, specifically flagging it as a redirector link and a link farm. The document body, though heavily obfuscated, contains text suggesting it is a lure for educational material, directing users to malicious URLs such as 'https://yafferge.ru/strik?utm_term=wordly+wise+3000+book+5+pdf+lesson+1'. The presence of numerous embedded links, many pointing to potentially malicious or unknown domains, indicates an attempt to lead users to phishing or malware distribution sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
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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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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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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=wordly+wise+3000+book+5+pdf+lesson+1 In PDF document text
- https://static.s123-cdn-static.com/uploads/4389805/normal_5fedc9e363511.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454547/normal_605a21e351b51.pdfIn PDF document text
- https://dojilosadokadog.weebly.com/uploads/1/3/4/8/134890500/8578150.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463551/normal_6011137fb7018.pdfIn PDF document text
- https://nifusesoporiw.weebly.com/uploads/1/3/5/3/135309858/5121373.pdfIn PDF document text
- https://napuvenorabinu.weebly.com/uploads/1/3/4/4/134490891/likagagavizonewena.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416144/normal_5fe3c4b45c0b8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4487208/normal_604a434a773d1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/57ece04f-3593-4dc9-9b71-55e669427517/how_do_you_use_everstart_smart_charger_and_maintainer.pdfIn PDF document text
- https://s3.amazonaws.com/gogoxowiniza/11.22._63_season_2_release_date.pdfIn PDF document text
- https://s3.amazonaws.com/gelawiweza/7033616192.pdfIn PDF document text
- https://s3.amazonaws.com/boduxatavepe/carson-dellosa_spanish-ms_hs_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/01648fd7-341f-4a40-be7b-a41f6c14ad2c/buzuduxitesiwa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/98b2b6dd-b5c8-4737-b3ff-5425fc000e2d/is_walmart_open_today_on_christmas_day.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/300c9b1d-a5d6-4f35-97d5-a0a462c678f6/what_is_a_socio_cultural_environment.pdfIn PDF document text
- https://s3.amazonaws.com/pigolo/bengali_hd_movie_website_list.pdfIn PDF document text
- https://s3.amazonaws.com/wajufifenoxuj/blah_blah_blah_song_mr_jatt.pdfIn PDF document text
- https://s3.amazonaws.com/lawakux/how_to_connect_your_vizio_sound_bar.pdfIn PDF document text
- https://s3.amazonaws.com/kesumasaka/wibanasizelasafuwagesuza.pdfIn PDF document text
- https://s3.amazonaws.com/varoximu/govirarixi.pdfIn PDF document text
- https://s3.amazonaws.com/panokojol/fidajodup.pdfIn PDF document text
- https://s3.amazonaws.com/lezopobigeza/14960787536.pdfIn PDF document text
- http://quizlet.com/1071615/wordly-wise-3000-book-5-lesson-1-flash-cards/LessonIn 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC83 | 5720 bytes |
SHA-256: 9fd7222936cc5f22e6aae7d77bcea529b2d687d9981856f41f9ad59f5091d26f |
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font_01_sfnt_off00010032.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10032 | 10452 bytes |
SHA-256: b2dc08e5542bce16c2d5bc24e1ca39a39310bd261a1fb20ac0d3814583a827fe |
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