MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of callback phishing or tech-support scams by prompting the user to call a phone number. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it is part of a phishing campaign designed to trick users into contacting malicious actors. The presence of numerous unknown URLs further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://casaledellasignora.it/userfiles/files/tinubabom.pdf In PDF document text
- http://www.accl-calibration.com/login/ckfinder/userfiles/files/72322367276.pdfIn PDF document text
- http://workcoop.org/fckeditor/userimages/file/20210911054814.pdfIn PDF document text
- https://derya.afmiletisimajansi.info/resimler/files/25117624510.pdfIn PDF document text
- http://dainichiji.com/upload_ckr/files/33909963727.pdfIn PDF document text
- http://vivaldiskibus.com/FileData/ckfinder/files/20210912_28C1E764CF4C2E84.pdfIn PDF document text
- https://anjingliar2.com/contents/files/24161266973.pdfIn PDF document text
- https://clinicscrm.com/img/files/69591610117.pdfIn PDF document text
- https://j26clean.com/upload/files/94367280502.pdfIn PDF document text
- http://delannahotel.com/user_img/file/lotozereza.pdfIn PDF document text
- http://lindendirect.com/tempimg/file/2125354654.pdfIn PDF document text
- https://smartstone.ca/userfiles/files/nezubok.pdfIn PDF document text
- http://miryangpension.com/FileData/ckfinder/files/20210912_C9E8438A1E8E6130.pdfIn PDF document text
- https://argentinaproduct.com/ckfinder/userfiles/files/jetivovedejedenewubunawul.pdfIn PDF document text
- http://abwhopewell.com/uploads/files/dakudepafotepusuveb.pdfIn PDF document text
- https://fereshtegan.net/basefile/fereshtegannet/files/85699798698.pdfIn PDF document text
- http://pro-customer.de/userfiles/file/kimexazetidajuwa.pdfIn PDF document text
- https://denimder.org/resimler/files/tanike.pdfIn PDF document text
- https://wasael.com/userfiles/file/nemozivosariwonewita.pdfIn PDF document text
- https://rmduncanrealty.com/userfiles/files/80046878378.pdfIn PDF document text
- http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/22120621990.pdfIn PDF document text
- https://igk-lilienthal.de/downloads/tuxezetulo.pdfIn PDF document text
- https://ph789.com/pinhsuan/files/file/35215361711.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613b629c03391---93545515447.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=how+do+you+backup+an+sd+cardPDF 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_off0000d489.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD489 | 16900 bytes |
SHA-256: b11020749432f528f6f607a9efe9f6f8007a62e602f330b97eb6f5c44b363938 |
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font_01_sfnt_off00010025.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10025 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001183c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1183C | 10664 bytes |
SHA-256: 48f4cb7328e36f017f96b67141cc4b104c083323f208923ef43925e50ae5898e |
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