MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links to external websites, many hosted on compromised CMS uploads or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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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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 http://gioiacompany.net/images/upload/file/13196294338.pdf In PDF document text
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/2fr7507gsj9i7l2s25b4df1iuf/39049093209.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd5722316e---15754492655.pdfIn PDF document text
- https://bikeid.net/ckfinder/userfiles/files/nakabunemolelurunuxoboro.pdfIn PDF document text
- http://tnslib.su/userfiles/files/xosakevijuzedizibiruseku.pdfIn PDF document text
- http://belhavenhighschoolalumni.com/clients/13962/File/kevojamitipobetulu.pdfIn PDF document text
- http://cityhigh78.com/clients/2/2d/2ddbae4fb74c169819b3574d76e4e264/File/zuvubekoxujawujiwopow.pdfIn PDF document text
- http://asbu.net/uploads/FCK_files/file/68844204535.pdfIn PDF document text
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cddd10b2ed---sulewejijerodi.pdfIn PDF document text
- https://mimpiindah1.com/contents//files/58850100807.pdfIn PDF document text
- http://fxlcd.com/upload/file/kusejibuwikalog.pdfIn PDF document text
- http://studiofapas.it/userfiles/files/tupunizanakarapixev.pdfIn PDF document text
- https://paeonia.ch/userfiles/files/bawolofozew.pdfIn PDF document text
- http://biotop-zamosc.pl/userfiles/file/87271783277.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/k60k3k46gt4jidke0nlnih4gd4/42201112513.pdfIn PDF document text
- http://kartywspomnien.pl/uploads/assets/file/pofuzijekuzobuzisinivuv.pdfIn PDF document text
- http://prinsart.ro/uploads/files/dawuzef.pdfIn PDF document text
- http://prvugkh.ru/uploads/files/pavaxa.pdfIn PDF document text
- http://ahzycw.com/upload_fck/file/2021-8-16/20210816120358295919.pdfIn PDF document text
- https://rivnerun.club/images/files/terevisazufulexevusi.pdfIn PDF document text
- http://hitechdentalhouston.com/uploads/files/kigit.pdfIn PDF document text
- http://dzstock.com/Upfiles/file/6483443378.pdfIn PDF document text
- http://americasbestmanassas.com/uploads/files/jedin.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=prevalence+of+diabetes+in+nigeria+pdfPDF 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_off0000c888.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC888 | 16368 bytes |
SHA-256: b3005c8d049e283606b7e6210eb4e9066bb16a99009d51f093abbbd684e804cd |
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font_01_sfnt_off0000f2dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010af3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AF3 | 11000 bytes |
SHA-256: 630c0b00a0dce4927b0a68237bc59f3b0de5a8e703344eb739ee62e9cd379ff4 |
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