MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress sites and disposable hosting. These links likely serve as lures for phishing attacks or to distribute further malware payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072aba28a6c6---bobagipovazulimemuxori.pdf In PDF document text
- http://www.halpellet.hu/userfiles/files/zizivusune.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/88177700678.pdfIn PDF document text
- http://kozelskadm.ru/files/uploads/files/wasexar.pdfIn PDF document text
- http://thegioichuyendong.info/app/webroot/upload/files/natukumidolosusiguwotum.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097ec73117b3---nawagoritewekebetarebovot.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/ac9afd5d27aa7b3b9a8e99565837578c/6744092668.pdfIn PDF document text
- http://nhadatv.com/webroot/img/files/46952620795.pdfIn PDF document text
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/n9nfn045j7tu6h0hucibqes4a2/wamutibizozo.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/91l31dvk9oc25vcimk6205k0jn/52737686490.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e5ffed811d---54851866036.pdfIn PDF document text
- http://werder-ritter.de/UserFiles/File/rorawupofodezinorus.pdfIn PDF document text
- http://prosquash.by/data/44287079923.pdfIn PDF document text
- https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/73223640010.pdfIn PDF document text
- http://dlikefulproductions.com/clients/875850/File/wevekuvoxo.pdfIn PDF document text
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b7c056d9e6a---babajil.pdfIn PDF document text
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/dea87c88fa60af668517dffcd268e3d4/35406502968.pdfIn PDF document text
- http://poltinik.ru/userfiles/file/37526626009.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dba2f8263f5---suzexajedasemuredofeju.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c30609e493---53499124174.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/vuvuxavidedil.pdfIn PDF document text
- https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/f46a3ce772d07af6d2b2c94942ad1ab0/73043019265.pdfIn PDF document text
- http://wadirumshootingstars.com/userfiles/file///gaxenepanomizedafij.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=academic+in+a+sentencePDF 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_off0000f2ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2AB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010abd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ABD | 16692 bytes |
SHA-256: b362b19196321fb18c0fd6da619b07687cfe57cf162e39cdc57c9ac577ff4b7d |
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font_02_sfnt_off00013628.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13628 | 10248 bytes |
SHA-256: 51959d703f4c796613c1ae2f38070fcff1b8d43c2a5302e57c846a726100042c |
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