MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple external websites, many hosted on compromised or disposable domains. The presence of numerous URLs, including those pointing to compromised CMS upload storage, strongly suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://tlxzkj.com/uploads/file/01173454369.pdf In PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608489974fe58---80350163534.pdfIn PDF document text
- https://heyratacademy.ir/file/vomibukarulumetugaxo.pdfIn PDF document text
- http://sansboundaries.com/clients/f/fd/fde0d4b6b324343791c5f0705b221951/File/61716447391.pdfIn PDF document text
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//navujubimorosejudobefa.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a644989747e---bomuzulatosifuvuxober.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/fowevupoxemuzu.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/csv57246dugdju4aipg40hrpf3/jajirujep.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfbf948856---5408494099.pdfIn PDF document text
- http://brukbet.com/user_images/file/jeruwewiposulixejifebitof.pdfIn PDF document text
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f1bd27e3157---72621253292.pdfIn PDF document text
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/aeba8f0470469ec0deee9f0f33bc86ab/sanofasopuvawubazo.pdfIn PDF document text
- http://immobilieninvestors.de/userfiles/file/mamakijadotogovusokedudu.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608094a5df9dd---xojutalunanikowuz.pdfIn PDF document text
- http://armanetti.com/images/zujux.pdfIn PDF document text
- https://szalkasszorutacskok.hu/app/webroot/files/content/files/37572443828.pdfIn PDF document text
- https://trinityautorepairs.com/uploads/files/92498187357.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/a260114190b65d09c653cb5194ab5263/63751357135.pdfIn PDF document text
- http://ladispensadicampagna.it/uploads/assets/file/97971549281.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160774d950845f---30755059049.pdfIn PDF document text
- http://chia4kids.ru/ckfinder/userfiles/files/videkenusujigite.pdfIn PDF document text
- http://xn--djr00fsyfv0o5qgy9u.com/filespath/files/20210806051444.pdfIn PDF document text
- https://thietkeweblongan.com/upload/files/tolokemosidakidares.pdfIn PDF document text
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//kurasagomapatesal.pdfIn PDF document text
- http://mamnonlittlesun.com/upload/files/zamatuwifiwaxopatamonabad.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=inflamed+sternum+treatmentPDF 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_off0000e3d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3D3 | 16816 bytes |
SHA-256: 821b1c39ec2da65be2be108850837996c15a39dd399fdd246f1c0c4d16eedf84 |
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font_01_sfnt_off00010fb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FB7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000127ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127CE | 10356 bytes |
SHA-256: 5928d3f2be25534c9d00f1dd03972aa781e56f6e3e444f3c94fdecd32548bdea |
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