MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier as malicious. It contains embedded JavaScript, which is often used to exploit PDF vulnerabilities or redirect users. The document also features a large number of external links, many pointing to disposable hosting, suggesting a link farm or phishing attempt to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://jatechkj.pl/upload/fck/file/motawavofujonune.pdf In PDF document text
- https://pfhotel.gr/ckfinder/userfiles/files/43420012205.pdfIn PDF document text
- https://alstar.uz/images/shared/file/namebiworotubexaje.pdfIn PDF document text
- http://portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/derugodovofijaza.pdfIn PDF document text
- http://rtm-plus.ru/ckfinder/userfiles/files/10681869701.pdfIn PDF document text
- https://legyenegyjonapod.hu/userfiles/files/3483541673.pdfIn PDF document text
- https://adamslakeband.org/userfiles/file/befuvevedemixez.pdfIn PDF document text
- https://itandem.net/ckfinder/userfiles/files/fapaxufigosimabofi.pdfIn PDF document text
- http://arndt-fahrschule.de/userfiles/file/nenaxifo.pdfIn PDF document text
- http://iburgisidimarsala.eu/userfiles/files/wiwikudiz.pdfIn PDF document text
- https://bevillelecomte.ovh/ckfinder/userfiles/files/74068088729.pdfIn PDF document text
- https://congnghiepxd204.vn/upload/files/27725203957.pdfIn PDF document text
- https://tdemo.order-pro.com/ckfinder/userfiles/files/girujawotifunumaz.pdfIn PDF document text
- http://zenkatsu.dk/files/gewubelibipi.pdfIn PDF document text
- http://euro-ex.net/images/blog/file/tiverojafokudubasad.pdfIn PDF document text
- https://renebeumer.nl/userfiles/file/85645311210.pdfIn PDF document text
- http://ulrike-mayer.de/userfiles/files/pisutiviregobidebekedef.pdfIn PDF document text
- http://muntepa.com/userfiles/files/towigovawunupusasasomuro.pdfIn PDF document text
- http://bonaparte-kerkrade.nl/fckeditor/ckfinder/userfiles/file/88975438379.pdfIn PDF document text
- http://linklandhotels.com/upfile/editor/files/goluwaxizefewowil.pdfIn PDF document text
- http://dolphinegypt.net/userfiles/file/46401942653.pdfIn PDF document text
- https://ist-lb1.istanajp.com/contents/files/98242590018.pdfIn PDF document text
- http://katyababash.com/images/uploads/file/mikodeva.pdfIn PDF document text
- http://elektromig.pl/userfiles/file/subaniteporaxalo.pdfIn PDF document text
- http://tercovci.cz/files/file/85560171294.pdfIn PDF document text
- http://deccanquest.com/konadnew/userfiles/file/38163634466.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=mengendalikan+android+lewat+pcPDF 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_off0000f5a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5A8 | 10692 bytes |
SHA-256: c0f31fb77eb2fd7249461feb417486f31b248e3e97e667c898464874a6855949 |
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font_01_sfnt_off00010e23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E23 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012635.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12635 | 19228 bytes |
SHA-256: 03b4fd5d2ce5bb1e47a577873886971215b38ec084326b6a3711aa8097cea832 |
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