MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://archism.ru/uplcv?utm_term=ejercicios+denotacion+y+connotacion+3+eso PDF link annotation
- https://valstybestarnyba.com/upckfinder/files/mokemavosagotumikefajew.pdfIn PDF document text
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608717e978581---semokilodu.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bc02639efaa---gesurulibibetipesolef.pdfIn PDF document text
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/b5b1c84a912fb07a16a13713242b25b4/10540199191.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/c8cc77ba6536013ee3f41fccd33f08ee/gevaxofojow.pdfIn PDF document text
- https://betenagro.com/sites/default/files/file/38125212766.pdfIn PDF document text
- http://mousike.it/img_ins/files/20644325732.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/5resuo0f437gdg1k4tslft9u04/46376616067.pdfIn PDF document text
- http://www.urbanwaterways.info/files/36710164234.pdfIn PDF document text
- https://italvaping.com/file/zasewakugu.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/qcdss85cuflaqeqlp0vcdi3du7/xawomoxidoxinuzetebedu.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089ca7c864f7---57251069636.pdfIn PDF document text
- http://ducthanhtam.com/uploads/userfiles/file/somatobarijenupenub.pdfIn PDF document text
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/1609f1028374a0---juxexuku.pdfIn PDF document text
- http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16071cf315bcda---21628713714.pdfIn PDF document text
- http://jrpst.pl/userfiles/file/vixejazitilurul.pdfIn PDF document text
- http://munnarinfo.in/userfiles/file/latilugafikipexevuzujala.pdfIn PDF document text
- http://franzoesischebulldoggen.eu/userfiles/file/8004805818.pdfIn PDF document text
- https://west-holding.com/userfiles/file/fupunefakoronilunupid.pdfIn PDF document text
- http://hauptlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/titapuzodak.pdfIn PDF document text
- https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/vb6u71uaqnptlissrqhd0sd2kq/30817935010.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610d7b098c9c9---fomamovefijeronasutasik.pdfIn PDF document text
- https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/3286665076.pdfIn PDF document text
- http://falconltd.pl/cache/file/63153670681.pdfIn PDF document text
- 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_off0000f1a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1A9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000109bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109BB | 16660 bytes |
SHA-256: 29564375a65a0a176ac5fa8c6b9fb90f3311242e39285222b522d167c7bdcfbd |
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font_02_sfnt_off000134dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134DD | 10716 bytes |
SHA-256: 3175292b063ee7c94e01964df338c02f0ebf1f2f886b22cd4c4990bdd2255585 |
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