MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a large number of links, many pointing to compromised WordPress sites, suggesting it functions as a link farm. The document body is heavily obfuscated and unreadable, but the presence of numerous external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicate a likely attempt to direct users to malicious or phishing websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9858
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://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/823475b6a6b580a63c0ae6141f6228f9/60725270334.pdf In PDF document text
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/c6d6f8570a458e6b2083643c400e7402/bebexudamatugotigizosob.pdfIn PDF document text
- https://pet-fashion.ro/mm/file/24268388093.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160928fb3bef0b---55452912768.pdfIn PDF document text
- https://yingzhaoliuart.com/upload/file/8097069852.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/14eadb24be285028086a737b8322284b/68976355011.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6aee2a905---2806014750.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/65334441927.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc4c551e21---70481925109.pdfIn PDF document text
- http://deforma.it/userfiles/files/pokanewufevirufatok.pdfIn PDF document text
- https://mn-lawfirm.com/box/userfiles/file/jaduk.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6a09ce38e---divipisazavupezaxi.pdfIn PDF document text
- http://congtyvima.com/images/Download/56779220197.pdfIn PDF document text
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160864cbc9783d---27180124171.pdfIn PDF document text
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/8926c8c7a1639bd3f5b25893daabd2f8/56434919925.pdfIn PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/gp7u09idue2tfmvq2grtf5uqm2/84749649867.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a8991266d---xekupuxejinejad.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d6ea23bb0---jimuvawokapivugatimofaze.pdfIn PDF document text
- http://szpital-sulecin.pl/images/fckfiles/file/nanukinitugenomewotepe.pdfIn PDF document text
- http://aftckwt.com/uploads/file/desipebaxa.pdfIn PDF document text
- https://allcreaturesinc.com/files/files/4239751361.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160af89b6672f1---70449493004.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/juxuvojinoxonisaban.pdfIn PDF document text
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16080216658ad4---domajusox.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/b2cf9efa9a324efd3ddc8e2cd5ebc8bc/jopisojurobon.pdfIn PDF document text
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/7617a823e5ef332a8f1bfa66a816dbad/tolivixido.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=a+real+number+is+a+rational+numberPDF 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_off000172eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x172EB | 10488 bytes |
SHA-256: 1537b3e1ca7ebee1bd78705f30cb0f4f0497818b19d7d9c6c9e97b9cb33c87f9 |
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font_01_sfnt_off00018aba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18ABA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001a2cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A2CC | 19844 bytes |
SHA-256: 88e2f4ba65f112ba84d89cf6208993677de409469ebaff5b3e59b8a0e4ae1589 |
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