MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document flagged by ML classifiers and ClamAV as malicious. Heuristics indicate it contains external URIs and a link farm, and specifically a callback phishing lure, suggesting it aims to trick users into contacting a fraudulent support line. While no scripts were extracted, the PDF structure itself is indicative of a phishing attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 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://www.lovebliss.tw/UserFiles/files/79106805941.pdf In PDF document text
- http://kes.org/upload/editor/files/53749566133.pdfIn PDF document text
- http://radioevangilereal.com/assets/ckfinder/core/connector/php/uploads/files/16491291722.pdfIn PDF document text
- http://indexone.ru/upload/file/vemafaxupizetaduvoxapigu.pdfIn PDF document text
- https://k-newsletter.com/ckupload/files/351965317.pdfIn PDF document text
- https://ud-hobby.com/images/Upload/file/84266160473.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/3vm0h9ugs0bbuhdhb77nb282l6/wupinokimusugumizepud.pdfIn PDF document text
- http://gocep.org/data/userfiles/files/55416743657.pdfIn PDF document text
- https://amzentransportationindustries.com/admin/imagetemp1/file/35411677241.pdfIn PDF document text
- http://jianianhuayule.a9188.com/upload_files/art_files/files/20210903_053342.pdfIn PDF document text
- http://hangquangauto.com/files/58842913158.pdfIn PDF document text
- http://teusz.pl/UserFiles/file/13197081886.pdfIn PDF document text
- http://www.jokilaaksonratsastajat.fi/file/91045657172.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/161390a01015a9---pemewokitozuro.pdfIn PDF document text
- http://esenkardeslerinsaat.com/resimlerfiles/57528990945.pdfIn PDF document text
- http://sooclose.eu/upload/File/71206548319.pdfIn PDF document text
- http://shopcloud.cloud/ckfinder/userfiles/files/pigosuzofawogunedo.pdfIn PDF document text
- http://driscollandgibson.com/images/edit_images/file/22009298436.pdfIn PDF document text
- https://tidaksusah.com/contents/files/rifikuzone.pdfIn PDF document text
- http://chothuethietbi.info/img/files/38389292992.pdfIn PDF document text
- https://ww150007.linebot.net/upfile/files/20210917204942.pdfIn PDF document text
- https://samsungvrvklima.com/upload/ckfinder/files/67553853051.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=gta+5+download+for+android+free+full+version+2020PDF 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_off0000e16e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE16E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f985.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF985 | 11016 bytes |
SHA-256: 1e564e97bb1bd785624437c58c5a586322b69a924bc303b95f69f20e38bbdfbd |
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font_02_sfnt_off0001136e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1136E | 16820 bytes |
SHA-256: 8563c831841eae6edb3fcddc92966faf314d9ddcaf8c94d3230c027b4101976d |
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