MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The numerous embedded URLs on potentially malicious domains support this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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 http://air-separation-supplier.com/d/files/zanozujewofivalevabuxined.pdf In PDF document text
- http://swhwsolution.it/ckeditor-ckfinder-integration/uploads/files/kowalisegajen.pdfIn PDF document text
- http://szyoujin.com/UploadFile/file/20210906050152925.pdfIn PDF document text
- http://headlinesdinerla.com/uploads/files/jajasabujude.pdfIn PDF document text
- http://gavionescodeinsa.com/userfiles/wuzerazarigavefam.pdfIn PDF document text
- https://mk-promotions.com/ckfinder/userfiles/files/nikibelojiwogawunaxalotu.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613be3bb69617---gawobazanul.pdfIn PDF document text
- http://ptairsupply.com/userfiles/file/92130928103.pdfIn PDF document text
- http://szjglaw.com/uploadfile/file/2021091805071173499.pdfIn PDF document text
- http://casadiriposomarsala.it/userfiles/files/13909254496.pdfIn PDF document text
- http://kidneytracker.com/ckfinder/userfiles/files/bitajoxiwebuxarog.pdfIn PDF document text
- http://whitedwarf.ru/public/images/ckfinder/files/poretinapojetiwe.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b4d39aac0e---18852723563.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613690cf6c30d---93809816605.pdfIn PDF document text
- http://puntolinea.org/userfiles/files/35231465927.pdfIn PDF document text
- http://zjnep.com/ckeditor/ckfinder/userfiles/files/22687420963.pdfIn PDF document text
- https://vico-domrep.com/ckfinder/userfiles/files/mopaba.pdfIn PDF document text
- http://nikkenj.com/userfiles/file/18223403441.pdfIn PDF document text
- https://miraclechuppahs.com/userfiles/file/23662185209.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/nokabusutuluwezitoluf.pdfIn PDF document text
- http://gruppocinofilomarsalese.com/userfiles/files/lelazufika.pdfIn PDF document text
- https://haidangpc.com/contents/files/xesusugumokazadox.pdfIn PDF document text
- https://phukienbep.net/media/files/gonivoruwixu.pdfIn PDF document text
- https://verredistri.fr/xmedia/file/87235638909.pdfIn PDF document text
- https://mmoxx.mn/userfiles/files/jikokibugovatikijowi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=what+is+the+collective+noun+of+treesPDF 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_off0000b0db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0DB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c8f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8F2 | 10592 bytes |
SHA-256: 2e7524f333e94fd513330c54d1ccbcbebb9cd45d086bd944cc490a1af5f372dd |
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font_02_sfnt_off0000e119.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE119 | 14360 bytes |
SHA-256: 0faebf46efa72b73409217a4d756f482dc29ab8fd3a19c735e11a004569dcc38 |
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