MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to a link farm, suggesting a phishing or SEO manipulation scheme. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating the PDF is designed to host many links on disposable domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 5
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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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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://tischlerei-schlusche.de/sites/default/files/file/batogiwoj.pdf In PDF document text
- https://imihwa.com/uploads/image/20210908/files/20210908081714.pdfIn PDF document text
- https://nikosdimos.gr/userfiles/file/65648321004.pdfIn PDF document text
- http://tianfonmm.com/d/files/jifozi.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161421ae2d590b---14469210351.pdfIn PDF document text
- https://muahohangnhat.com/app/webroot/uploads/files/gutelemalujixagodonaj.pdfIn PDF document text
- http://innotack.com/userfiles/files/xutomilekikugewilavawi.pdfIn PDF document text
- http://xn--h1aaebajlcgx.xn--p1ai/sadm_files/basuruzutik.pdfIn PDF document text
- https://oreopay57.com/ckfinder/userfiles/files/16779848459.pdfIn PDF document text
- http://image.dlib.vn/libedu/news/bvu/20210915/file/35590458437.pdfIn PDF document text
- https://magazinul-de-instalatii-sanitare.ro/app/webroot/files/userfiles/files/9755950839.pdfIn PDF document text
- https://xcheck.vn/uploads/userfiles/file/54973580059.pdfIn PDF document text
- http://nhatrangpalace.net/app/webroot/upload/files/sepopuzi.pdfIn PDF document text
- http://nordicwalkingturak.hu/_user/file/41252279541.pdfIn PDF document text
- https://www.thic.net/plugin/ce1/ckfinder/userfiles/files/sifomakuna.pdfIn PDF document text
- http://leadershipcareer.kr/fckeditor/_upload/file/maxegifajanul.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136460ddf8ca---50564308727.pdfIn PDF document text
- http://szm.hu/userfiles/file/6568154988.pdfIn PDF document text
- http://www.chubsorn.com/file/files/95350776154.pdfIn PDF document text
- http://xn--80aafjbaeihgganggf9ajkncugh2a.xn--p1ai/pict/file/dutamamezosiwapujiwaku.pdfIn PDF document text
- http://escritacontabilidade.net/fotos/news/file/lumegajatezaw.pdfIn PDF document text
- http://xn----7sbakn3aoflleitf3m6a.xn--p1ai/userfiles/file/vomibajorilugeme.pdfIn PDF document text
- http://china-baby-clothes.com/d/files/kopokidetefirikajusizupip.pdfIn PDF document text
- http://baove24h.info/upload/files/tedetazadexobonegaxozuwet.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=driving+skill+cheat+san+andreasPDF 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_off0000fced.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011504.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11504 | 10688 bytes |
SHA-256: 1b4416c1cc03da63a6c0841387c4077112020104c43ec5d31cf768695358f35f |
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font_02_sfnt_off00012d4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D4B | 17484 bytes |
SHA-256: e446d2a44158ba12d2e68f33433f98f118cce8406f8f694cccbca2a505a31889 |
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