MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, many of which point to disposable domains and are likely intended to redirect users to malicious content. The heuristic PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM strongly indicate a link farm or phishing attempt. ClamAV detection as Pdf.Phishing.Trojan further supports the malicious classification. No scripts were extracted, but the structure suggests a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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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://www.thic.net/plugin/ce1/ckfinder/userfiles/files/lawazizuvujemu.pdf In PDF document text
- http://55pluscommunityspecialist.com/userfiles/files/puxogabakaxoxuzagiz.pdfIn PDF document text
- http://domplus.su/userfiles/files/7014711372.pdfIn PDF document text
- http://birdwatching.sk/media/file/55821321485.pdfIn PDF document text
- http://kstarsmall.net/userfiles/file///borilefisatev.pdfIn PDF document text
- http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/duzosiziwutuxonogakuwur.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/qihvl29bi17sre5l58ed13nsf0/nomogerosudefilol.pdfIn PDF document text
- http://rewitex.pl/userfiles/file/67761237600.pdfIn PDF document text
- http://jmk.kr/ckfinder/userfiles/files/74172649389.pdfIn PDF document text
- https://www.auto-ecole-acm.com/ckfinder/userfiles/files/62037492505.pdfIn PDF document text
- http://mikllc.mn/uploads/files/xitikulokonorunejij.pdfIn PDF document text
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae968520db---63728758121.pdfIn PDF document text
- https://radiosmile.hu/upload/file/29204893396.pdfIn PDF document text
- http://cementfeet.com/userfiles/file/wepudiwomovo.pdfIn PDF document text
- http://canvangdientu.com/images/file/66019886434.pdfIn PDF document text
- http://unixsensor.com/uploads/files/202109011838378146.pdfIn PDF document text
- https://jpt.mysmartedu.com/uploadimages/files/69870881384.pdfIn PDF document text
- http://binhchuachay.info/Images_upload/files/pugapegojawerojedo.pdfIn PDF document text
- http://www.web-globus.de/ckfinder/userfiles/files/35277214735.pdfIn PDF document text
- http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/10781521860.pdfIn PDF document text
- http://demenagements-remond.fr/userfiles/file/20210920102529.pdfIn PDF document text
- http://harasim.cz/uploaded/files/xinudofidufatovumoturi.pdfIn PDF document text
- https://smartstone.ca/userfiles/files/25626729046.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=klondike+adventures+mod+apk+unlimited+gemsPDF 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_off0000add7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADD7 | 15116 bytes |
SHA-256: a843eccf83ffc2cdeb70ffc6aca3cf29db694f24649357f7b4f37ab9cf3ad30a |
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font_01_sfnt_off0000d41d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD41D | 10984 bytes |
SHA-256: c4898328ad348c6fef234987ac2e867ad2c6c1ed29157a0a159da84323fc0cea |
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font_02_sfnt_off0000ed61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED61 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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