MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised WordPress installations. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting and UTM parameters, suggesting an attempt to manipulate search engine results or distribute malicious content. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, likely phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9939
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://crysiq.ru/uplcv?utm_term=netgear+nighthawk+r6700+manual PDF link annotation
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e8a1525d3---miwuzig.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/f692393855a3c0182ffc781dcb5fc5c2/66250961879.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/386ca394b0c5223261ff67206c3d103c/nanalurubamuk.pdfIn PDF document text
- https://kodcomputers.ro/2664/uploads/jalabojowupusitefuxap.pdfIn PDF document text
- https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/cgfhnbcvvg4l75el7cc1hvlft9/64891538025.pdfIn PDF document text
- http://goozzl.com/userfiles/files/vilerodijagesafu.pdfIn PDF document text
- http://www.moyekolodin.com/files/53228088270.pdfIn PDF document text
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/93j3fk4koephe550m04be8ah52/gulavoxofex.pdfIn PDF document text
- https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/2618fa1900223e071ee053de4697610b/kavibovakamakeg.pdfIn PDF document text
- http://jhsclassof63.com/clients/c/c8/c8cc7cee7579ddcd469b669c0eb172d8/File/63102513391.pdfIn PDF document text
- http://autoscuolepintozzi.it/userfiles/files/badusesisepegu.pdfIn PDF document text
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/ee59595c7a6cc7cff8e925c39373b384/sifunelozop.pdfIn PDF document text
- https://willmarareachamber.com/ckfinder/userfiles/files/9787200382.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160a35e8027ce7---tibaruzorijabaxonuz.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086d9145fc7f---32389280898.pdfIn PDF document text
- https://cowichanseniors.ca/userfiles/file/mirojolamufejovev.pdfIn PDF document text
- http://mcenterdk.ru/fck_editor_files/files/30819989552.pdfIn PDF document text
- http://altinay-law.com/images/file/xidit.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/2d83394d27c8cb02c9e5894739b176ae/371521173.pdfIn PDF document text
- http://bona-agra.pl/Upload/file/zarikonevivixizemoketisu.pdfIn PDF document text
- http://cuanhuaabshanquoc.vn/files/15359538883.pdfIn PDF document text
- http://virtualcharityevents.com/vce_cake/files/files/7798652594.pdfIn PDF document text
- https://inprovitchile.com/ckfinder/userfiles/files/vipulewosasofezin.pdfIn PDF document text
- https://pmms-online.com/assets/file/zutisarulimugivo.pdfIn PDF document text
- https://muzeumkonstancina.pl/attachments/file/zoxasotitujodikekofubakig.pdfIn PDF document text
- http://iccjsc.com/images/uploads/files/38250708023.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_off0000c05a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC05A | 10860 bytes |
SHA-256: 58decd32b85bfec464cdc502d713ac34758973c46b0dfcb69be3a6b08046e54b |
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font_01_sfnt_off0000d955.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD955 | 18020 bytes |
SHA-256: c3d8a64e21f6caa161b8c628f531f060238d6f5a1f544aa0f54ee494da44f7d3 |
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font_02_sfnt_off00010821.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10821 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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