MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file containing embedded JavaScript, which is a common technique for delivering malicious content. The PDF also contains numerous links to external websites, with one heuristic identifying it as a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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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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 https://lamthong-marchph.com/piceditor/file/numome.pdf
- http://kondicionery-shodnya.ru/upload_picture/file/30650657160.pdf
- https://almondzwealth.com/administrator/imagetemp/file/9930654686.pdf
- http://intertexmedical.com/userfiles/files/lokatasu.pdf
- https://parquesanalbertohurtado.cl/ckfinder/userfiles/files/79992807511.pdf
- https://juniorclublivorno.com/sitonews/images_upload/files/50395686250.pdf
- https://certifiedcollisionrepair.com/home/cert/public_html/ckfinder/userfiles/files/69844979600.pdf
- http://zsmnowakowski.pl/userfiles/file/gulokonisu.pdf
- http://sushinamu.com/uploads/files/zeraroxifuzetofisokazakaz.pdf
- https://relans-nn.ru/images/docs/file/36062550316.pdf
- http://pxmonastery.org/CKEdit/upload/files/82049330222.pdf
- https://kar360.com/resimler/files/31901368126.pdf
- http://aaz.sk/editor_uploads/files/83993825905.pdf
- http://pcwenhua.com/uploadimg/file/1630710590192213712.pdf
- http://bippex.com/filespath/files/20210914173007.pdf
- http://gleb777.com/fck_upload/file/2808954104.pdf
- http://weighlessthisyear.com/ckfinder/userfiles/files/bilojozuzunazowudakowe.pdf
- https://egyseg.eu/ckfinder/userfiles/files/bugizefope.pdf
- http://shannonlakeestates.org/fck_images/file/39218947740.pdf
- http://geoodwierty.pl/files/file/vukanazizudatomu.pdf
- https://tidurmalam.com/contents/files/13943740019.pdf
- http://heatexchangersolution.com/upload_fck/file/2021-9-4/20210904164853335219.pdf
- https://editionsitaliques.com/userfiles/file/56925581501.pdf
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/16143cd6659e17---9432942874.pdf
- http://peterpan1996.it/userfiles/files/45001755565.pdf
- https://u-spot.biz/js/ckfinder/userfiles/files/riwugedibowipodafurileke.pdf
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/161460f0291934---suzev.pdf
- http://johnlillylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tofuxonawipepovolu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+uninstall+system+apps
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d5c7.bina13ff8b4a237c000c5bb043095d69788ca48c8b138679f2a236180a93da8fadd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5C7 | 17160 bytes |
font_01_sfnt_off0001021f.bindce32256d29879cd34dfb89faddb1af3503ca627bf18d186a2ab6afd58f0f09c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1021F | 10604 bytes |
font_02_sfnt_off00011a67.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A67 | 16792 bytes |
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