MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to potentially compromised websites or disposable hosting. The presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest the document's purpose is to redirect users to malicious sites, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://cheeselicious.net/UserFiles/file/dorejerokitexas.pdf
- http://steelbo.com/uploads/admins/u0/files/20210912094504.pdf
- http://ventexevent.se/uploads/file/lexoxopawiwipusepisema.pdf
- https://www.champagne-cornevin.fr/ckfinder/userfiles/files/63270313777.pdf
- https://calendarsunrooms.com/userfiles/files/todutadosimanulifawi.pdf
- http://www.siphonicflowmandiri.com/upload/files/58383971717.pdf
- https://dm288.com/slicice/file/54210730911.pdf
- https://biomedchita.ru/imeg_master/file/padiz.pdf
- https://i-intelli.com/ckfinder/userfiles/files/71790030827.pdf
- https://pirkitpadangas.lt/ckfinder/userfiles/files/89746624509.pdf
- http://police8coop.com/UserFiles/file/sixovomidifisigameb.pdf
- https://goooinggroup.com/userfiles/files/20210925_012153.pdf
- https://sedefartphotography.com/resimler/files/65404304814.pdf
- http://rosg.net/sa_upload/userfiles/file/20210908045106.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614e836601b31---minuviparos.pdf
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/1e9b2bca26acc895e02e7e158cadaede/limonuwotudun.pdf
- http://www.allatpatikapecs.hu/images/file/toven.pdf
- http://pokrowce-ochronne.pl/Upload/file/bamelibisabalenoxo.pdf
- http://www.urbanwaterways.info/files/99414458757.pdf
- https://inprovitcolombia.com/ckfinder/userfiles/files/rozejasawopaf.pdf
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/94171792ddc63e6877a875eb0de751b2/28751178838.pdf
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1614bb8b75668f---ralopegopepe.pdf
- http://delta-serwis.pl/pliki/pujisazefizivanudifik.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=wechat+file+location+in+android
- 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_off0000beec.bin8e1f0bc4af3c493b6c219faac26587099ab7e3eadfc5aad0434c7404cf51a9bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEEC | 10396 bytes |
font_01_sfnt_off0000d661.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD661 | 16792 bytes |
font_02_sfnt_off0000ee73.bin06c2417698e3ba19679ea89f052947c270d4026015a445292dacda18218e6025 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE73 | 20792 bytes |
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