MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous URLs pointing to compromised WordPress sites and other domains, suggesting it functions as a link farm or a distribution point for further malicious content. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' reinforces the attack pattern of using compromised infrastructure to host or link to malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608631c215510---32344170743.pdf
- http://amexeuro.com/an3_Uploads/file/pivisekopekavusakepirumi.pdf
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160707657e5c8c---podav.pdf
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/164633d88c1a0ec523b561b669e14772/wovogazoriv.pdf
- http://mictrogiang.com/userfiles/files/pinorometiwuvakuguxela.pdf
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16090640ba8475---sepeniv.pdf
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/7af9c851dd2c80320730339f579ed53f/lixava.pdf
- https://ludifrance.fr/userfiles/file/mexoninofononedojejale.pdf
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f10e70e658---94816062907.pdf
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce6895acd1---tutaserakilomet.pdf
- http://fiumevivo.it/userfiles/files/mitelimabupozevelatu.pdf
- http://walkandwagforveterans.com/clients/9/96/96cc06f6b2a5429c1325f0b535cddba6/File/xereni.pdf
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606efcd183129---widemalisufokedozisif.pdf
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160b5b8a9964e7---wofibinibevusat.pdf
- http://midel.me/userfiles/file/momobetiwutopabopexip.pdf
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a039880db57b7e80d3e2a94310db8395/34546939137.pdf
- https://tsafar.ir/basefile/tsafarir/files/10751790502.pdf
- https://kingwaterpure.com/ckfinder/userfiles/files/vomumajowoxeti.pdf
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160abe5d3e8bef---40991588049.pdf
- https://burmesecatclub.nz/wp-content/plugins/super-forms/uploads/php/files/6085353dd13b785fd20356c4b98e2de7/70032105773.pdf
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/1f800091cb123a055ddd8785dc1f4497/18898710556.pdf
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bdd5599e4bd---61317789473.pdf
- http://ashole.hu/UserFiles/File/pegonopok.pdf
- http://www.cafeinca.com/img/public/contenido/file/famokemuroluguvazip.pdf
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/20d14c97c30fb6d8d3e7e033b9fba40a/15356293639.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=symptoms+of+ovarian+cancer+after+hysterectomy
- 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_off0000c45d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC45D | 16792 bytes |
font_01_sfnt_off0000dc74.bin452b8876c3c862695ca18a8b5876928dd42ef015d090d7657a19b75900dea89a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC74 | 10956 bytes |
font_02_sfnt_off0000f5b8.bina8f19a39c8ce77c087001c099dbaf189328e78495aa268185ecb50e04bd5581b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B8 | 15288 bytes |
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