MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains a link farm pointing to various PDF files hosted on potentially compromised websites, suggesting an attempt to trick users into downloading further malicious content. The presence of multiple external URIs and a link farm indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://lianbang123.com/uploads/files/202109040000192662.pdf In PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145aaa3894b7---22473152194.pdfIn PDF document text
- http://xn--or3bo5mvlb.com/data/editor/file/45221972662.pdfIn PDF document text
- http://aliguoriarchitetto.eu/userfiles/files/pekabatege.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613c65651d593---malumabuburudizom.pdfIn PDF document text
- https://marmetal.cevhertemizlik.com/userfiles/files/30634968697.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/tptcmed4i0hipgtja0e2argci4/64233155667.pdfIn PDF document text
- http://alpha-th.com/userfiles/file/kukomiralozizuwalured.pdfIn PDF document text
- http://biosite.ru/images/news/file/nolip.pdfIn PDF document text
- http://warehousetraining.ie/images/busenetedema.pdfIn PDF document text
- http://zae.me/datafiles/file/86461786104.pdfIn PDF document text
- https://pakistanchristiancongress.org/userfiles/file/ruwab.pdfIn PDF document text
- https://interior-mark.com/ckfinder/userfiles/files/99565587185.pdfIn PDF document text
- http://heibldr.hu/FCKfeltoltott/file/39646299265.pdfIn PDF document text
- http://zgkimsteszew.pl/img/upload/files/botara.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140e9832453e---sefadudatalogib.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/88aba863a403288231a13dbc028c353c/bimokusabusudipiw.pdfIn PDF document text
- http://kaushalacademy.org/ckfinder/userfiles/files/67153860690.pdfIn PDF document text
- http://autosklo.sk/pictures/file/78671023638.pdfIn PDF document text
- http://abwcoliseum.com/uploads/files/vitulawamo.pdfIn PDF document text
- http://messtores.ca/fck_user_files/file/roxugutekovagorewef.pdfIn PDF document text
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/67o37hcm8c3hocpok49p6tt5ma/janenolalosevuwuzede.pdfIn PDF document text
- https://tideandtigers.com/ckfinder/userfiles/files/84332480597.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=spider+man+2+game+apk+downloadPDF 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_off0000bea8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEA8 | 15916 bytes |
SHA-256: c45987fbb94033c571951f467de817f64cc82be71024771a386e0c343045bb17 |
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font_01_sfnt_off0000e725.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE725 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ff3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF3C | 10840 bytes |
SHA-256: 823e496a41a7fbc6ae6e41a4d824a85476fb92e2def37ca520756a406999bd87 |
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