MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. The presence of numerous external URIs, many pointing to disposable domains and forming a link farm, suggests a phishing or redirection attempt. ClamAV detection and ML classification further support its malicious nature, likely as a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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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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 http://ekorob.pl/userfiles/file/74612134652.pdf In PDF document text
- http://commandhousecreations.com/uploads/files/15651487887.pdfIn PDF document text
- https://www.hkha.com.hk/ckfinder/userfiles/files/zexetamuvamuraxijovoki.pdfIn PDF document text
- https://kingwaterpure.com/ckfinder/userfiles/files/difidupupo.pdfIn PDF document text
- http://richardchong.com/userfiles/files/nasijexedipuwo.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fa27e9e4c1---96455559365.pdfIn PDF document text
- http://musclecar-taps.com/js/upload/files/43973757801.pdfIn PDF document text
- https://biblioteka-koneck.pl/ckfinder/userfiles/files/57046055847.pdfIn PDF document text
- https://sportnazona.bg/f/uploads/files/zitomofonejapuvagedeg.pdfIn PDF document text
- https://badoza.net/userfiles/file/52779658592.pdfIn PDF document text
- http://cheliabinsk.realxenon.ru/uploads/files/99148084981.pdfIn PDF document text
- http://gelinyuanyi.com/upload_fck/file/2021-9-15/20210915224836926386.pdfIn PDF document text
- https://bimetoor.com/basefile/bimetoorir/files/tujakozuvuxewobijabo.pdfIn PDF document text
- https://aaaxxion.info/images/file/71101430867.pdfIn PDF document text
- https://hfbee.tw/upload/ckfinder_temp/files/20210919100826.pdfIn PDF document text
- https://sealordhotels.com/ckfinder/userfiles/files/22895029563.pdfIn PDF document text
- http://xenangheli.vn/public/files/gowibovidugejudomip.pdfIn PDF document text
- http://stluciachamber.org/uploadedImages/contentImg/file/sawasojosarupufaxited.pdfIn PDF document text
- http://kraski-chernila.ru/resources/file/kapuxitigig.pdfIn PDF document text
- http://pincesorvarshop.hu/editor_up/boben.pdfIn PDF document text
- http://lightofislamonair.org/uploads/files/9980871598.pdfIn PDF document text
- http://www.me.ntou.edu.tw/ckfinder/userfiles/files/20210916_011758.pdfIn PDF document text
- http://gd-weimi.com/upfolder/e/files/20210903205522.pdfIn PDF document text
- http://bestpokeya.com/uploads/files/31211585915.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=rtl+live+stream+android+appPDF 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_off0000f2c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2C3 | 17656 bytes |
SHA-256: bf9d78cb6bce70a8bdb2d0c34240cf06dee0050fc8d5c1568fd540fda32ca9ce |
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font_01_sfnt_off00012000.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12000 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013817.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13817 | 10664 bytes |
SHA-256: 11ab7a8f562c0cc98be11d771828c0509b733f64bb8db6e10ddf8dd16513bcc1 |
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