MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. The 'SE_CALLBACK_LURE' heuristic strongly suggests a callback phishing or tech-support scam, where the document prompts the user to call a phone number. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a phishing attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://ferropula.hr/files/bitiwapumis.pdf In PDF document text
- http://asztalosweb.hu/userfiles/file/refifo.pdfIn PDF document text
- https://jiu-hang.com/upfiles/editor/files/wovuxinopikixofozilugu.pdfIn PDF document text
- http://nujhimachal.in/img/uploads/files/62281494967.pdfIn PDF document text
- https://deepex.hu/hirek/files/jewifaminirejuxixupip.pdfIn PDF document text
- https://karolinanowak.com/userfiles/file/21091338320.pdfIn PDF document text
- http://ancient-theater.gr/media/file/12406078239.pdfIn PDF document text
- http://www.jfac.kr/ckfinder/userfiles/files/48680437355.pdfIn PDF document text
- https://bancodevida.com/bancodevida/admin/images/image/file/zijemiripu.pdfIn PDF document text
- http://nattuvaartha.com/assets/ckfinder/core/connector/php/uploads/files/65209953842.pdfIn PDF document text
- http://keemunblacktea.cn/uploads/file/080309506246.pdfIn PDF document text
- http://ridendo.cz/files/file/49385611167.pdfIn PDF document text
- http://silverk.ru/img/lib/file/21661525783.pdfIn PDF document text
- http://tiendanatacion.com/noticias/files/12022983047.pdfIn PDF document text
- http://associatedreclaimed.com/userfiles/files/topig.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161310196a79f4---88363154450.pdfIn PDF document text
- http://www.gonouvellezelande.com/files/48413931277.pdfIn PDF document text
- http://matrix-corporation.com/upfiles/editor/files/vawawepuwepuze.pdfIn PDF document text
- https://htapigroup3.com/contents/files/lamojopogebonano.pdfIn PDF document text
- https://mariellatriolo.it/public/file/debazav.pdfIn PDF document text
- http://vibrator4you.cz/UserFiles/File/37156770598.pdfIn PDF document text
- http://thuaphatlailongthanh.vn/upload/contentFile/minhchau/file/84422117664.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+find+a+wifi+password+on+your+phonePDF 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_off0000e318.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE318 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB2F | 10840 bytes |
SHA-256: 324cd0fef04ba94723a490b56b3a81a10c5e9dab072d772344fb7e65bf9ce42b |
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font_02_sfnt_off0001142f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1142F | 18020 bytes |
SHA-256: d63880db27a71a6ce7141465528df27e7a0cd3b05844d278295004a1bcb47894 |
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