MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded URLs pointing to disposable hosting and known malicious redirectors, as indicated by the 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains text related to iPad guided access, likely a lure to encourage clicking the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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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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 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://crophysi.ru/123?utm_term=how+to+set+guided+access+on+ipad In PDF document text
- https://cdn.sqhk.co/jefapukawore/iiSrAX2/jejironagirirugevi.pdfIn PDF document text
- http://wordsidepost.top/rush_limbaugh_podcast_youtube3bk1h.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380213/normal_5feb89b385e76.pdfIn PDF document text
- https://cdn.sqhk.co/nowovadizeb/WnKjdvC/mercs_of_boom_pc_cheats.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456687/normal_600f4b198cc3e.pdfIn PDF document text
- http://hotgirls.host/mamewipadiluzuvutifo3g7l1.pdfIn PDF document text
- http://catsism.com/71358419825egi07.pdfIn PDF document text
- http://playmarket-online.com/903855592331o3y8.pdfIn PDF document text
- http://arboozfilm.com/wedding_invitations_templates_in_marathi0zsc7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480589/normal_6068aa7dc08f4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4415770/normal_600313fb2dd1d.pdfIn PDF document text
- https://cdn.sqhk.co/denirinodo/gRugifw/warriors_orochi_characters.pdfIn PDF document text
- https://cdn.sqhk.co/luwonopilil/bhjf8hw/linking_verbs_worksheet_high_school.pdfIn PDF document text
- https://cdn.sqhk.co/fafujedajir/Niem0jb/dobuze.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486537/normal_601f3d4570672.pdfIn PDF document text
- http://tixshopclub.fun/98804029116dppa6.pdfIn PDF document text
- https://cdn.sqhk.co/jinavefajevo/rW1jfgi/mini_army_figures.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426556/normal_603f1ff22b99d.pdfIn PDF document text
- https://cdn.sqhk.co/vuvesanap/kjpnjc3/online_fishing_games_realistic.pdfIn PDF document text
- http://euroshopme.site/how_can_i_strength_train_at_home3e7pc.pdfIn PDF document text
- https://cdn.sqhk.co/lokutibu/VFhbNCR/microsoft_teams_video_conference_breakout_rooms.pdfIn PDF document text
- http://glawerry.online/sap_fico_reports_tcodesvxm96.pdfIn PDF document text
- http://lozhobelir.space/oconomowoc_memorial_hospitaly9tw4.pdfIn PDF document text
- http://tesar-krd.ru/helvetica_bold_truetype_font7m4uz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ede0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDE0 | 5164 bytes |
SHA-256: c3095ca2ae2d428f97bb87edc0ca9fc70e27efe4f95f25b38ca937dd64873f25 |
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font_01_sfnt_off0000ff92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF92 | 2632 bytes |
SHA-256: c318bb8fab2fde2cdc49d54bf7d444ff17007c62aff9e2b8510aec661d375694 |
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font_02_sfnt_off00010ac6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AC6 | 11492 bytes |
SHA-256: 1220c3fef82ce9ba302aee160d80011848d33a6b50a9a7c8121fe9045fdd1783 |
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font_03_sfnt_off0001320c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1320C | 16336 bytes |
SHA-256: e06fba4164ac16c165214f5f4232651daafdc404a58c7e7d1ab12f636b0c6cc1 |
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