MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF exhibits characteristics of a phishing lure, including a screenshot masquerading as content and a click-outward action to an external URL. Heuristics indicate it's part of a link farm on disposable hosting, suggesting a campaign to distribute malicious content. While no scripts were directly extracted, the PDF structure and external links point towards an attempt to redirect users to potentially malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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 http://mwbright.com/upload_fck/file/2021-9-27/20210927220150638652.pdf In PDF document text
- http://bualuang101.com/backoffice/upload/files/93796686039.pdfIn PDF document text
- http://ecohort.com/userfiles/files/ratogirabokurib.pdfIn PDF document text
- http://mdsalon.ru/img/lib/file/joronulop.pdfIn PDF document text
- http://ohana1bbq.com/uploads/files/67364912844.pdfIn PDF document text
- https://balaji-technology.com/userfiles/file/kamuzedinazudevedu.pdfIn PDF document text
- http://ambcavallon.eu/userfiles/files/83700862416.pdfIn PDF document text
- http://xn--2e0b30g3uq7pay7m.com/upload/fckeditor/file/22940123098.pdfIn PDF document text
- http://noithatmyhome.com/img/files/gamavoluke.pdfIn PDF document text
- http://serbanindustrialconstruct.ro/uploads/files/43624018633.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/161374565f2c61---xivojijivazitomupigita.pdfIn PDF document text
- http://biondiairsystem.it/userfiles/files/bijekimokezad.pdfIn PDF document text
- https://mimpisiluman.com/contents/files/27840466284.pdfIn PDF document text
- http://e-store-sys.com/userfiles/file/wajujubadonasiz.pdfIn PDF document text
- http://michelschuurmans.nl/images/uploads/file/ludomepamagevamu.pdfIn PDF document text
- https://sunnyrosesschool.com/userfiles/file/xowonegez.pdfIn PDF document text
- http://rucodelniza.ru/userfiles/file/49477539759.pdfIn PDF document text
- http://tea-ra.com/user_data/upload/save_image/files/nonarapasisajifubama.pdfIn PDF document text
- http://benthanhsgfarm.com/images/uploads/files/59761488600.pdfIn PDF document text
- http://aibasavar.edu.bd/app/webroot/ckfinder/userfiles/files/zejirasebosumoduxogonazap.pdfIn PDF document text
- https://cfi-registration.amyhalter.com/buzzboxgift/img/userfiles/files/puxufepusox.pdfIn PDF document text
- http://zonwering-belgie.eu/ckfinder/userfiles/files/tajojili.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d01314b97b---51376737644.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=how+to+gta+v+download+in+mobilePDF 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_off0000b0fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0FA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c911.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC911 | 10608 bytes |
SHA-256: 5aa0c9447149d6862ee753c06cf6881346f6a7c9367be0bdf6bdf7118d912e8f |
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font_02_sfnt_off0000e10e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE10E | 14440 bytes |
SHA-256: a31fc9e8a1a09d2ff01cc50f411e74b20230bae6749eeea0f1952393b45cedde |
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