MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of numerous external URIs, including one that appears to be a link farm, suggests the PDF is designed to redirect users to malicious sites. The 'SE_INVOICE_LURE' heuristic further supports the phishing pretext, aiming to trick users into clicking malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://philabc.ru/uplcv?utm_term=cbse+class+10+science+book+pdf PDF link annotation
- http://taispacedesign.com/upload/files/kuxila.pdfIn PDF document text
- http://rajhansnursery.com/userfiles/file/mojabi.pdfIn PDF document text
- http://fge-service.com/userfiles/file/zevurisatokimatoguxujal.pdfIn PDF document text
- http://kientrucphatloc.com/upload/files/susuwusebosulalos.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161305bc4e2ed4---rebewo.pdfIn PDF document text
- https://alariel.be/userfiles/file/guxemeluwite.pdfIn PDF document text
- http://sumosushingrill.com/uploads/files/wafewepefasur.pdfIn PDF document text
- http://osteriailgalloelinnamorata.com/userfiles/files/jimufegipurufukebelimo.pdfIn PDF document text
- http://rambud.pl/uploaded/file/vegizotiziga.pdfIn PDF document text
- http://sushiosushi.com/uploads/files/razofuxazamebenut.pdfIn PDF document text
- http://glassick.com/userfiles/file/nutirepetupel.pdfIn PDF document text
- http://j1medical.com/uploaded/file/86861568351.pdfIn PDF document text
- https://china-glass-mosaic.com/userfiles/files/20210904_120916.pdfIn PDF document text
- http://bualuang101.com/backoffice/upload/files/seberafuvimobuwotadetok.pdfIn PDF document text
- http://spbi.cz/res/file/raxetamekogu.pdfIn PDF document text
- https://btegypt.com/file/65354058436.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/51b4f27156cfe530a79e03da5769677f/venavaxexeluxu.pdfIn PDF document text
- https://redac.ch/upload/11530055670.pdfIn PDF document text
- http://hsi-international.com/ckfinder/userfiles/files/64711055915.pdfIn PDF document text
- https://ags-car.60km.com/upload/files/wopitamedojipi.pdfIn PDF document text
- https://xedulichhaiphong.vn/images/news/files/80456976022.pdfIn PDF document text
- https://poulinstrapscan.com/userfiles/file/46948318618.pdfIn PDF document text
- https://unitedfightalliance.jordanadams.com/ckfinder/userfiles/files/xiwoniben.pdfIn PDF document text
- http://markone-tools.com/upload/files/bizis.pdfIn PDF document text
- https://cnn-logistics.com/asset/files/47377397428.pdfIn PDF document text
- http://peter-scherer.de/userfiles/file/bupefixog.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_off0000dfd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFD3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f7e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7E5 | 17944 bytes |
SHA-256: d2d3ddbe1a727759dc15997405dc372795cfd477d3aab835d34dfc3b95c2467f |
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font_02_sfnt_off00012658.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12658 | 10852 bytes |
SHA-256: bf6c25cf1bdbcc2648aed5085dfcb78babe0741722c1ab3f032bcceb60b9fb21 |
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