MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript, which is often used to redirect users to malicious sites. The heuristics indicate it functions as a link farm, with many URLs pointing to potentially compromised or disposable hosting. ClamAV also detected it as a phishing trojan, supporting the assessment of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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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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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://honyi.tw/ckfinder/userfiles/file/fedatebuzow.pdf In PDF document text
- http://relaxzenter.com/uploads/files/17196592450.pdfIn PDF document text
- https://retta-bg.com/userfiles/20059651946.pdfIn PDF document text
- https://heritran.vn/uploads/news_file/rafamomataguxigevoraba.pdfIn PDF document text
- http://adamslakeband.org/userfiles/file/12465525109.pdfIn PDF document text
- https://yp05.com/_UploadFile/Images/file/49846089367.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161343d9841540---68562692584.pdfIn PDF document text
- http://ovstav.cz/app/webroot/files/files/14485217667.pdfIn PDF document text
- http://secureyun.cn/uploadfile/file///2021090621240754.pdfIn PDF document text
- https://aiwatopup.com/ckfinder/userfiles/files/jixavozimo.pdfIn PDF document text
- http://americasbestwingsbeltsville.com/uploads/files/gosovato.pdfIn PDF document text
- http://asja-doll.ru/userfiles/file/26561808725.pdfIn PDF document text
- http://mmbassisiprovince.in/files/js/ckfinder/userfiles/files/zojali.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab1fdee18c---mukam.pdfIn PDF document text
- https://jerseyshorepirates.com/userfiles/files/18326212991.pdfIn PDF document text
- http://ccadl.com/files/20210913181806.pdfIn PDF document text
- http://alacarte-husum.de/userfiles/file/digopavejerobiwib.pdfIn PDF document text
- http://rszm88.com/upfolder/e/files/20210904235219.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/koxazirujat.pdfIn PDF document text
- http://acsalma.hu/userfiles/files/ruliruwikepur.pdfIn PDF document text
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/772211acd2a03d99cc1bc7b6ecb14997/givogov.pdfIn PDF document text
- https://99shayari.in/userfiles/files/31222500479.pdfIn PDF document text
- http://naturestuff.nl/siteimages/file/75940696364.pdfIn PDF document text
- http://royalgoodviewresort.com/Uploads/file/73509328183.pdfIn PDF document text
- http://lapmaymn.samdigroup.vn/app/webroot/upload/files/dureg.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=pes+manager+2020+apkPDF 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_off0000dcb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCB8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f4cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4CF | 10576 bytes |
SHA-256: 4827326790a1b1889f4dba59400fdc089ac1735b4c29589957cd0afb365cf204 |
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font_02_sfnt_off00010cfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CFB | 18104 bytes |
SHA-256: cd36a944648f48a616105089a877d1befc303f4f748faf60d3c2101f4c9b7255 |
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