MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with many embedded URLs pointing to external sites, some hosted on compromised WordPress installations. This suggests a phishing or redirection scheme to lure users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/430aa54e050cc1c335d9d026ee7bc1f2/taxazotebagemo.pdf
- https://www.sterlingsez.com/ckfinder/userfiles/files/jefun.pdf
- https://groupunsur1.com/contents/files/pudunenisevan.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/glrv4q833silh26upn3ho3m7mq/38809692891.pdf
- http://alituncer.net/userfiles/file/pisukugolarebetapexawoza.pdf
- http://palenice.net/obrazky_clanky/file/ledegakatal.pdf
- http://prime-standard.com/piceditor/file/lufulipufazefabo.pdf
- https://marupyara.com/fotos/userfiles/file/3552510332.pdf
- https://www.makathastaliklari.net/wp-content/plugins/formcraft/file-upload/server/content/files/160746ba2aba30---vawulo.pdf
- http://www.allatpatikapecs.hu/images/file/29118419508.pdf
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160e863837c437---vaxugabopigofoseguka.pdf
- http://haciogullari.com/depo/sayfaresim/file/wuduvake.pdf
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b0b0a94125---vefegojo.pdf
- https://ayurvedaemart.com/uploads/file/15562511910.pdf
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/ticr6fhvprmp6s65dkhvpbv8t3/78280802190.pdf
- http://futsalcb.cz/picture/vtextu/file/75148966237.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16108bee4e15f5---43639001382.pdf
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16124a4ed4edb0---97341088966.pdf
- https://norservis.com/files/files/tisegiperetavifoxivibibe.pdf
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160eda8809561f---gipirorarakolujaka.pdf
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16078d81a188bf---1330035114.pdf
- http://woods-china.cn/ci2/userfiles/files/20210821025342.pdf
- http://prmakeup.com/Image/files/92700092497.pdf
- http://xn--12cfu9bc1efac9a9azfdsb7b9d1f0j.net/ckfinder/userfiles/files/jogalaxaw.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=corticosteroides+definicion+pdf
- https://medlineplus.gov/spanish/steroids.html
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cc68.bincde229803f76e5eb74336f2d74882fd48037cb9b7ceb89529fd98ad028b5c853 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC68 | 18388 bytes |
font_01_sfnt_off0000fbf4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBF4 | 16792 bytes |
font_02_sfnt_off0001140b.bin803f65281d58a581c7c66e19ef9a30b15e9015e3418f2606aed0c36890e9fa24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1140B | 10436 bytes |
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