MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The document contains numerous external links, many hosted on compromised WordPress sites, suggesting it functions as a link farm to distribute malicious content or phish for information. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://coretry.ru/uplcv?utm_term=ave+maria+schubert+piano+sheet PDF link annotation
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/48605cd3d4cca784d850c1fa0838e135/rijunimamujozobuveza.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/bnq9qi12c01as49lge3g5c8i8a/sasoxe.pdfIn PDF document text
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/09ba0556e221c784453e6e8f3ca4313d/28783298701.pdfIn PDF document text
- https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/l3mr8posul0on3s3dnifhtpm1h/nafikumizigisatupof.pdfIn PDF document text
- http://bettynblue.com/upload/fck_img/20210508/file/25230318898.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160847f67ea54d---42735889605.pdfIn PDF document text
- http://hutbephottaihaiphong24h.com/upload/files/14320023477.pdfIn PDF document text
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160732b04445c8---84651206968.pdfIn PDF document text
- http://df-foundry.net/d/files/76695115319.pdfIn PDF document text
- https://chameleoncoupons.com/adgprocessing/uploads/files/5094071468.pdfIn PDF document text
- http://doktor-okonski.pl/uploadimg/file/11952459383.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608df75d7c718---xatusadabavose.pdfIn PDF document text
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/jk5g86ikglict8c67djt52bc89/folekafavededinagar.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/me048tke4e116l488kjlud1i13/15300987303.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/5b58475c8c3fcfb6afa61b9ec83dbd36/67411760725.pdfIn PDF document text
- http://onlineexpert.in/userfiles/file/61398691038.pdfIn PDF document text
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc9478f544---70974654966.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1606da2da90599---99534604511.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f8c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8C3 | 5328 bytes |
SHA-256: f49e6971586e7dfaa37ba7d938b8564ab1b4bd78206fbb197baba6df0b80176c |
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font_01_sfnt_off00010ab9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AB9 | 12264 bytes |
SHA-256: 0c4d70de7c4658f2fc7426e653a3ca3948cadb7869fff9a6bf3543e7a3dca9f8 |
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