MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains a link farm pointing to compromised WordPress uploads and other disposable hosting, suggesting it's designed to redirect users to potentially harmful sites. The presence of external URIs and a link farm structure strongly suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://allytemp.ru/uplcv?utm_term=best+calendar+reminder+app+android PDF link annotation
- http://www.physedu.in/newsite/userfiles/files/vidobupazetapalufuwav.pdfIn PDF document text
- http://3colorjazz.com/fckeditor/userfiles/image/81493260494.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134ee9cb0c27---73672948978.pdfIn PDF document text
- http://apmnir.ro/fckfiles/file/taremoxa.pdfIn PDF document text
- http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com/ckfinder/userfiles/files/99382532343.pdfIn PDF document text
- https://hyundainhapkhau.vn/upload/files/91067804498.pdfIn PDF document text
- https://machnhaduong.com/images/uploads/files/panorapekewazusijuzufapet.pdfIn PDF document text
- http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/87572027309.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/16132141bc0c10---30302250721.pdfIn PDF document text
- http://jikaramen.com/uploads/files/61577111658.pdfIn PDF document text
- http://jiji.pgo.tw/pic/uploads/files/vonata.pdfIn PDF document text
- https://matao.ro/app/webroot/files/userfiles/files/ripusifimoretutijasamob.pdfIn PDF document text
- http://alarmy-kamery24.pl/userfiles/file/60374983010.pdfIn PDF document text
- https://btsis.com/upload/ckfinder/files/8045147434.pdfIn PDF document text
- http://creationart.hu/files/file/97310768802.pdfIn PDF document text
- https://eobliecky.sk/userfiles/file/84268037619.pdfIn PDF document text
- http://ineke-ott.nl/keramiek-beelden-imagesfile/70535265638.pdfIn PDF document text
- http://www.mab-solutions.fr/upload/file/ruzojubavirapolonosaroset.pdfIn PDF document text
- http://benardoutlite.com/admin/fckeditor/fckdata/file/lisujalebilivej.pdfIn PDF document text
- http://duepassidalcentro.it/userfiles/files/betebuvojirusavebi.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613870453993b---76307068639.pdfIn PDF document text
- http://sellmysayarah.com/userfiles/files/balomerisedoxor.pdfIn PDF document text
- http://coimbrasoftware.hu/images/uploads/files/kezozibijilufi.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_off0000d714.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD714 | 10728 bytes |
SHA-256: 3ad4766f7a29e49f9dd1f3d75550d64e3a0cf4a8dbe254cb75a09d4132f10627 |
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font_01_sfnt_off0000efb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFB4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000107c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107C6 | 16764 bytes |
SHA-256: feb8ac87c5095911607bd5805b51e3f001eaec32c66495e6177ca8cc6ece449e |
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