MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document flagged by multiple heuristics, including ML classifiers and ClamAV, as malicious phishing content. The 'SE_CALLBACK_LURE' heuristic specifically indicates the document is designed to prompt the user to call a phone number, consistent with callback phishing or tech-support scams. While no executable scripts were extracted, the PDF structure and numerous embedded URLs suggest it serves as a lure to external malicious resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 https://queure.ru/uplcv?utm_term=information+about+carbon+dating+method PDF link annotation
- http://food-cloud.com/home/food-cloud/www/site/site/data/files/59009699615.pdfIn PDF document text
- http://hoteldanang.com/uploads/images/files/dinoletasuwixud.pdfIn PDF document text
- http://civicwomen.com/ckfiles/files/pijiwikowoz.pdfIn PDF document text
- http://oresteruggiero.com/userfiles/files/12417610101.pdfIn PDF document text
- https://smsenerji.com/resimler/files/bejazipatulusorudod.pdfIn PDF document text
- http://haisushitogo.com/uploads/files/96326322441.pdfIn PDF document text
- http://dangkydoanhnghiep.org/hinhanh_fckeditor/file/pojafawibeg.pdfIn PDF document text
- https://digicpictures.com/downloads/tijepasad.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16153f0078d680---todus.pdfIn PDF document text
- http://ger.versa.ru/documents/files/42055066366.pdfIn PDF document text
- https://vientangluc.com/upload/files/14324848446.pdfIn PDF document text
- http://tensoinox.com/userfiles/files/kidomesowodidinokus.pdfIn PDF document text
- http://czdashan.cn/uploadfile/file/2021090507303773499.pdfIn PDF document text
- http://klm-co.ru/foto/ck/files/xasal.pdfIn PDF document text
- http://b40555.handyfriendship.com/upload/files/dexovakojizitovuwimuw.pdfIn PDF document text
- http://myatkinsonfamily.com/userimages/73114740130.pdfIn PDF document text
- https://burkina-businessschool.com/business_school/uploads/file/muwomibusopexalomutar.pdfIn PDF document text
- http://exosushi.com/uploads/files/dobategigowutesope.pdfIn PDF document text
- http://tindangnhadat.vn/upload/files/43785087275.pdfIn PDF document text
- http://www.alborada.es/ckfinder/userfiles/files/2219026897.pdfIn PDF document text
- https://zegaoyun.com/calisma2/files/uploads/54197678528.pdfIn PDF document text
- https://agros.net/uploads/file/gepuminitatukefamuwinej.pdfIn PDF document text
- http://lexxyin.net/files/fckeditor/file/87013277247.pdfIn PDF document text
- https://classykitchen.pl/web/uploads/files/42179597702.pdfIn PDF document text
- https://footballsod.com/images/ck-uploads/files/gedomaxejotozubomosejom.pdfIn 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://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_off0000b0f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0F4 | 15648 bytes |
SHA-256: d0c7480f3a88da2e82ec9d534fe48cdd96c4e976cd4b2c69e70e47e0127b467e |
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font_01_sfnt_off0000d8a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8A9 | 10900 bytes |
SHA-256: b31d73134be9bfd646e3e411772d7c119bfe3cb54820bd6a6a61a07db82bdff0 |
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font_02_sfnt_off0000f17b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF17B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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