MALICIOUS
116
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a link farm pointing to various PDF files hosted on compromised websites, suggesting it's part of a phishing or scam campaign. The 'SE_CALLBACK_LURE' heuristic indicates the document is designed to prompt the user to call a phone number, a common tactic in tech-support scams or callback phishing. No scripts were extracted, but the overall structure and heuristics point to a social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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 http://alpinedelhi.com/userfiles/files/57783929092.pdf In PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/76795550e84b29de4e2a7924f4eee9f7/wegizuraraj.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/8a34741eac8c07e734188cfc224b272a/57076591441.pdfIn PDF document text
- http://imbirimbir.ru/files/tefolonegikuzi.pdfIn PDF document text
- http://www.ximangsongthao.com/app/webroot/uploads/files/keledixofan.pdfIn PDF document text
- https://milorem-service.ru/userfiles/file/noxedusulubaxape.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16133ca05a48a9---jibevu.pdfIn PDF document text
- http://phrabat.net/UserFiles/File/regabanajukoxanapufixiwor.pdfIn PDF document text
- http://capital96.com/userfiles/file/78346883149.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/161314e5000b0a---kivitugaxafudenad.pdfIn PDF document text
- http://joyerialaplaza.com/ckfinder/userfiles/files/nafagitufeleki.pdfIn PDF document text
- https://artedeeducar.com.br/ckfinder/userfiles/files/33433094136.pdfIn PDF document text
- http://phutunggiahungoto.com/uploads/files/91848973310.pdfIn PDF document text
- http://simpelms.nl/userfiles/files/sisavefadimufunironekuv.pdfIn PDF document text
- http://tpfish.com.taipei/archive/upload/files/22558318338.pdfIn PDF document text
- http://kino-cosmik.ru/sadm_files/21593473969.pdfIn PDF document text
- http://www.pilatesyoga.hr/files/files/lurefimixodo.pdfIn PDF document text
- https://khotelmarket.com/FileData/ckfinder/files/20210908_F2206B4F6F0923BE.pdfIn PDF document text
- https://alicantea.centralcms.cloud/galeria/files/risapifuvarusoba.pdfIn PDF document text
- http://nbmounts.com/userfiles/file/1630941461.pdfIn PDF document text
- http://musicpark-live.com/userfiles/file/87918511765.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=amazing+spider+man+2+online+moviePDF link annotation
- 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://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_off0000e0ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0AC | 19168 bytes |
SHA-256: a7c339765987ec88634a7a9077b14fa66dbdf2398bb7229efed1b393b5fa7058 |
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font_01_sfnt_off00011289.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11289 | 10864 bytes |
SHA-256: f16bea4de22a8d206eb7bbf3650c218fae1d42450640027ef1362b913391a2f8 |
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font_02_sfnt_off00012b7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B7C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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