MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by a machine learning classifier and ClamAV as malicious, indicating a phishing or trojan distribution attempt. It contains numerous external links, many pointing to disposable domains, suggesting a link farm or redirection scheme to obscure the final malicious destination. The presence of callback and QR code lures further supports a phishing or social engineering attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 7
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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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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://hanabi-la.com/uploads/files/98124827774.pdf In PDF document text
- https://dermatologie-chamonix.com/userfiles/file/zewolorepusuve.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/8421327997.pdfIn PDF document text
- http://emaaravm.net/upload/files/jipakelujomonamadomonewop.pdfIn PDF document text
- http://kubablimel.pl/Image/files/98935599321.pdfIn PDF document text
- https://valubil.com/public/uploads/cms_file/cms_files/4067929257.pdfIn PDF document text
- http://aihyang.com/userfiles/file/52477325706.pdfIn PDF document text
- https://mtestbd.com/assets/uploads/files/doxejinazuw.pdfIn PDF document text
- http://gniortho.com/files/Upload/file/wibow.pdfIn PDF document text
- http://veraschwemmle.de/fckdata/file/zabunejigejonanon.pdfIn PDF document text
- http://ahjygjg.com/upload_fck/file/2021-9-17/20210917131239271018.pdfIn PDF document text
- http://hanasushichoice.com/uploads/files/83288219872.pdfIn PDF document text
- https://bunexim.dascalita.ro/app/webroot/files/userfiles/files/34479037263.pdfIn PDF document text
- http://bkdesign.ee/userfiles/file/60332289021.pdfIn PDF document text
- http://studiotecnicolari.it/userfiles/files/liwivetusi.pdfIn PDF document text
- https://ekransamara.ru/files/jiwefutarazawejabebode.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/16144137620dd3---95501407642.pdfIn PDF document text
- https://www.poolsrus.com.au/application/third_party/ckfinder/userfiles/files/65500882249.pdfIn PDF document text
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613244144bf35---zuzomegikomi.pdfIn PDF document text
- http://www.toptehnik.si/images/sajafowobenotizojopagiku.pdfIn PDF document text
- https://yucekalipmakina.com/tsrm1/img/userfiles/file/10938546060.pdfIn PDF document text
- http://angarakshaksecurity.com/userfiles/file/jagoba.pdfIn PDF document text
- http://t-eamplus.de/web/editor/files/wuvuxix.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=historia+de+los+androides+17+y+18PDF 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_off0000f297.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF297 | 18824 bytes |
SHA-256: f2fd41ca50fd6a21d34bec4b0bc00fc5d2c5d30680075990d2daec0ee71c796a |
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font_01_sfnt_off000122b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122B1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013ac8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AC8 | 10656 bytes |
SHA-256: 33b0675386af7a464fc978984dbbd380309a1922478a017f88a88e0b7c626a76 |
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