MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file detected by ClamAV as a phishing trojan. It contains embedded JavaScript and numerous external links, including one identified as a link farm on disposable hosting. These elements suggest the document is designed to redirect users to malicious websites or initiate downloads of further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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 https://synerhu.ru/uplcv?utm_term=vpn+ninja+apk PDF link annotation
- http://peach2560.xyz/js/ckfinder/userfiles/files/dezakikafomurefigaxesaniz.pdfIn PDF document text
- https://hbfilm.ca/resimler/files/87670672627.pdfIn PDF document text
- https://verredistri.fr/xmedia/file/tovenulusijegis.pdfIn PDF document text
- https://deitratech.com/userfiles/file/90625511855.pdfIn PDF document text
- http://agnieszkapawlik.com/userfiles/file/4344099228.pdfIn PDF document text
- http://9y.bfage.com/upload/files/20210903094741.pdfIn PDF document text
- https://beta.nhatthiengroup.com/files/uploaded/files/pabiredukiti.pdfIn PDF document text
- http://ekhoron21.mn/uploads/files/kujozaxus.pdfIn PDF document text
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cf0bc809f5---sedikataru.pdfIn PDF document text
- http://alianzablue.com/aym_image/files/jivomogu.pdfIn PDF document text
- https://abctranslink.com/ckfinder/userfiles/files/61702057913.pdfIn PDF document text
- http://beerskiboot.de/img/upload/file/zuvav.pdfIn PDF document text
- http://ambulatorioveterinarioscapindandrea.it/userfiles/files/70148186783.pdfIn PDF document text
- https://prestinieurope.com/userfiles/files/gufufipemirozolevorotufo.pdfIn PDF document text
- http://arenabilardo.com/data/_files/tinededonewo.pdfIn PDF document text
- https://nepaltrekkinginhimalaya.com/assets/userfiles/files/17722309000.pdfIn PDF document text
- http://1-cities.com/blog_images/blog_/file/fasasudimifedovisuduzipil.pdfIn PDF document text
- https://kidneystonetreatment.in/userfiles/files/raralawojeturuxis.pdfIn PDF document text
- http://chiaranannini.com/userfiles/files/gesox.pdfIn PDF document text
- http://e-junghan.com/userData/board/file/dejifabarosa.pdfIn PDF document text
- http://aesg2edcv.handylover.com/upload/files/rivopiru.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16133e3939dbed---29231377611.pdfIn PDF document text
- http://xn--9n2bn9mz3aba29g44r4o0a.kr/fckeditor/userfiles/image/werakukofuvegebufemeroj.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_off0000e0a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0A7 | 19408 bytes |
SHA-256: 9c94841babbee54143d9db4d6c4c181f4daf5748eb1b61be7d380624f46a7476 |
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font_01_sfnt_off00011343.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11343 | 9772 bytes |
SHA-256: 7698bd5b2f08e5a7dbca15a528b895711cf5e1fb6d47b55d7bee75ca730c7531 |
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font_02_sfnt_off000128a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128A6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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