MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many pointing to compromised websites or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan. The document body is heavily obfuscated and unreadable, providing no direct clues to its purpose beyond the link farm structure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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://hypotekaprezamestnancov.sk/res/file/bevopojufase.pdf In PDF document text
- http://lroundup.com/clients/d/d7/d7466da0ad72d96b64793f89c518a0d9/File/refezekekenive.pdfIn PDF document text
- https://coebmsf.com/userfiles/file/finibikuki.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607d84ef2b66a---8054704838.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/f78a4f72e783398b64ed67f4e0a1bfc2/87660864431.pdfIn PDF document text
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/0605ec2cdf751151f24cbf16d8c1438f/64458683190.pdfIn PDF document text
- http://inwallendorf.de/userfiles/file/62455669394.pdfIn PDF document text
- https://seikico.net/img-tym/files/4348854959.pdfIn PDF document text
- http://topstec.com/d/files/9944078697.pdfIn PDF document text
- http://ellerbeefamilyreunion.com/clients/874543/File/17585322951.pdfIn PDF document text
- https://www.thic.net/plugin/ce1/ckfinder/userfiles/files/34819761773.pdfIn PDF document text
- http://thankschicken.com/uploads/files/74641267733.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/369f37fb0849aeb9fa671857748864f4/surelutukaxegijasuwigu.pdfIn PDF document text
- https://portugaliaimagyarok.com/ckfinder/userfiles/files/kizetebuwanulopu.pdfIn PDF document text
- http://geojeoceanhotel.com/userfiles/file/20210825204654.pdfIn PDF document text
- http://asclyziarskyklub.sk/userfiles/file/63478996822.pdfIn PDF document text
- http://mikllc.mn/uploads/files/xawowarilatavazupa.pdfIn PDF document text
- http://smartcevent.com/clients/871459/File/87693755780.pdfIn PDF document text
- http://zkqzl.com/uploadfile/file///2021081823333433.pdfIn PDF document text
- https://grupahatak.pl/admin/_fck_files/file/39043670600.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd14ec0c1a---fevuzotonevonub.pdfIn PDF document text
- http://dietetyka-24.pl/images/files/7586867922.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/d5f4c86ccfa4b6424eb105fbc735d238/vivujotigenimazal.pdfIn PDF document text
- http://sansboundaries.com/clients/f/fd/fde0d4b6b324343791c5f0705b221951/File/risedimoduwoselurob.pdfIn PDF document text
- https://www.hausbootgeiseltalsee.de/wp-content/plugins/super-forms/uploads/php/files/2kfctal279cukplth2e9jsoalq/monetepijekuzi.pdfIn PDF document text
- http://synergytaekwondo.com/click2buy_newp/userfiles/file/16628608973.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=consumer+attitude+definition+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_off00010ce8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CE8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000124fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124FA | 18588 bytes |
SHA-256: af0e41dec75821afefcbc02d9a803630c464bbc0888ade7b9c280730d001884f |
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font_02_sfnt_off000155ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x155CE | 10744 bytes |
SHA-256: 47114f1d2652e8e27085afd2fa3e699c026d89c2c712b805f362e938bbaba043 |
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