MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The presence of numerous embedded links, many pointing to PDF files on distinct hosts, and a heuristic firing for a 'link farm' suggests a phishing or malware distribution campaign. The 'SE_DOWNLOAD_BUTTON' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://visusmarble.com/images_upload/files/97481914832.pdf In PDF document text
- http://xn--12cbg9dihj7egda2g6a7dceb1d2cp4nvgf4f.com/datas/files/golofo.pdfIn PDF document text
- https://suativisamsungtaihanoi.net/upload/files/3015997491.pdfIn PDF document text
- http://drapikowski.pl/uploaded/fck_files/file/96728830434.pdfIn PDF document text
- http://orem.mn/uploads/files/tiribuxonogugibamepi.pdfIn PDF document text
- https://cfi-registration.amyhalter.com/buzzboxgift/img/userfiles/files/52992578724.pdfIn PDF document text
- http://sissonne.hu/editor_up/63238127782.pdfIn PDF document text
- http://cppzone.ru/users/blogs/file/milewaromotazupiwevirika.pdfIn PDF document text
- http://stagelight.pl/userfiles/files/7825681769.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ca809d88a7---judodapapeko.pdfIn PDF document text
- http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/50701500607.pdfIn PDF document text
- http://hpworld.hu/data/pic/Image/file/liwulomavawefotapepad.pdfIn PDF document text
- http://a1-automotivegroup.com/upload/files/51049365347.pdfIn PDF document text
- http://daegyung.kr/userfiles/file/20210910013609.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16130e606c9fcc---20891008065.pdfIn PDF document text
- https://szelvedojavitasmiskolc.hu/files/files/99615625916.pdfIn PDF document text
- https://condicionamentofisico.com/arquivos/file/sajesikajuzederomopus.pdfIn PDF document text
- https://groupunsur1.com/contents/files/gozexipesojokoziloviz.pdfIn PDF document text
- https://tekmaker.com/upload/files/74583762939.pdfIn PDF document text
- http://bischofs-scheune.de/userfiles/file/44235984988.pdfIn PDF document text
- http://guowangcable.com/d/files/wanoraxitujixez.pdfIn PDF document text
- http://abwingsva.com/uploads/files/juxezak.pdfIn PDF document text
- https://ibeguiristain.com/userfiles/files/ratelokenupiduteb.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=nox+cleaner+androidPDF 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_off0000e3a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fbb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBB4 | 17456 bytes |
SHA-256: 86c2addf09f70202d69f9f06532f615e4c5a31cfe134a973713d2042f76605fb |
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font_02_sfnt_off0001299e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1299E | 10176 bytes |
SHA-256: 05c28c87cbbf6bac2f00b4cc888d52cc730474bad3d410c292bc64b2327433bc |
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