MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating malicious intent, including random and SEO-optimized disposable links, and a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The presence of a visual download button lure suggests a phishing or social engineering tactic. The sample likely attempts to trick the user into downloading a secondary malicious file from one of the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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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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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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://labuchedeberce.fr/userfiles/file/kifotonosebo.pdf In PDF document text
- http://yakutiaprime.ru/SITE/files/editor/file/26788741579.pdfIn PDF document text
- http://marienoellebermond.com/img/uploaded/file/13707723350.pdfIn PDF document text
- http://veterinarioassociatopacinidallatorre.eu/userfiles/files/wobarotutawutowaro.pdfIn PDF document text
- http://2478.ru/admin/ckfinder/userfiles/files/podilu.pdfIn PDF document text
- http://eshop-kocicinadeje.cz/files/file/murodabinapamunok.pdfIn PDF document text
- http://boracayg.com/FileData/ckfinder/files/20210901_18298F0F97C8BFF0.pdfIn PDF document text
- http://leruichem.com/upload/files/suwaxolixuv.pdfIn PDF document text
- http://newworldss.com/uploads/file/99394677839.pdfIn PDF document text
- http://ozkayalarlojistik.com/userfiles/file/wajopenurijelepude.pdfIn PDF document text
- http://grafichesirio.com/userfiles/files/lamexozobajavigob.pdfIn PDF document text
- https://cardolf.ro/files/62657609411.pdfIn PDF document text
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea3a106aa3---gegegunak.pdfIn PDF document text
- https://enilubricant.hoakhanh.vn/uploads/image/files/22175786557.pdfIn PDF document text
- http://pvvc.cz/files/17636768405.pdfIn PDF document text
- https://harmony-lazienka.pl/Upload/file/zazod.pdfIn PDF document text
- http://balalajka.nu/media/winisavegiwodupuragito.pdfIn PDF document text
- https://evermoral.hk/upload/file/1630980425.pdfIn PDF document text
- https://www.truck-transport.com/ckfinder/userfiles/files/60095227829.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c02a13a4cf---17554411441.pdfIn PDF document text
- http://centralgiving.com/media/userfiles/file/ritelepu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=droid+serif+downloadPDF 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_off0000d860.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD860 | 18704 bytes |
SHA-256: c42d20acd0e8ab291ddd2d14001784c2acabd8416fbf1d1eecb653f298dd861f |
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font_01_sfnt_off000108ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108BA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000120d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120D1 | 10336 bytes |
SHA-256: 624dd168ca11fa739b71006a5a8e92990fd9652850f6bb861cbf2a783e1b7e30 |
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