MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, hosting numerous URLs pointing to potentially compromised WordPress upload directories and other disposable domains. These links likely serve as a distribution mechanism for further malicious payloads or phishing content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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://deniz-sogutma.org/img/userfiles/file/lapenesela.pdf In PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160717546cb760---wivefifeg.pdfIn PDF document text
- https://vegan-eshop.cz/data/file/loviriwepesareve.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095731400e75---77360554542.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607117588385c---motakiraw.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/uv8nruokllv4k26fh8i0gfjpmv/zurovevirotuvekuganader.pdfIn PDF document text
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/3293dfafabb818f17fa1201d7d98d75e/16268185924.pdfIn PDF document text
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bbd754464fb---danijuxifenobepawod.pdfIn PDF document text
- https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/cffb31a269e94a4fd3f8d4d0ae25a39d/67995160049.pdfIn PDF document text
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/buslo0vebbhp4ilom6qei3kfgt/barikomukufader.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/4934cc0ef88a91e5bf7371f33113be95/vapil.pdfIn PDF document text
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/9ac651e1fe7874f43b592750f8d41395/24950391546.pdfIn PDF document text
- https://maychieuvinh.vn/upload/files/ralanozomefelavevaga.pdfIn PDF document text
- http://danangsculpture.com/uploads/image/files/divuviku.pdfIn PDF document text
- http://planetamama.ru/files/file/56641441978.pdfIn PDF document text
- https://theelementrama9.com/userfiles/files/26935025911.pdfIn PDF document text
- https://laetitiabernard.fr/images/file/mamixamapowobo.pdfIn PDF document text
- https://whitesal.com/data/images/file/8574_20210529120609.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b413557ac48---winixevisilaliguvozuredo.pdfIn PDF document text
- https://greenline.bg/userfiles/file/ruxurinozike.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f9a002ee023fde4177023536e3fb2ebf/kedogewoxabov.pdfIn PDF document text
- https://swalaya.in/userfiles/file/ninatenalelifigezinipaxu.pdfIn PDF document text
- http://youandisagenix.com/ckfinder/userfiles/files/zigonolikivorenalero.pdfIn PDF document text
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/f9f634eda24e8e03f026d3d6543435a6/xosanilavufarijuke.pdfIn PDF document text
- http://bizbecho.com/pa/trainstation/uploads/image/file/80712834622.pdfIn PDF document text
- https://handinhand-daycare.com/ckfinder/userfiles/files/65395475713.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=paints+and+varnishes+notes+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_off0000f5f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5F7 | 10616 bytes |
SHA-256: 299a7310b92959220ca457f33f3335c2a53defb2e91cf51d71bc486b448c8081 |
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font_01_sfnt_off00010e2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E2C | 17980 bytes |
SHA-256: c7f40b8538157ff8f23c1485263f14b3f0c4bea767242e2b81e9550c9fffd87b |
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font_02_sfnt_off00013cf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CF4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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