MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites, which in turn host other PDF files. This structure suggests a link farm designed to obscure the ultimate destination, likely a phishing or malware delivery site. The ClamAV detection and ML classifier strongly indicate malicious intent, consistent with a phishing or trojan distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/acfd5b840330e5927113496f14387871/19851827755.pdf In PDF document text
- http://thebeautyofdesign.nl/ckfinder/userfiles/files/mevepavuvutinibexuka.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608062f0612c3---faxutapofamubapuwuvon.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/64553303996.pdfIn PDF document text
- http://2440027.ru/upload/file/74737581399.pdfIn PDF document text
- https://audreyheselmans.com/_files/file/1458812065.pdfIn PDF document text
- http://studiocalcinoni.com/userfiles/files/16127561405.pdfIn PDF document text
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160942ee8d9e54---soburapigegofusimetuduje.pdfIn PDF document text
- http://ifa-astrologie.de/userfiles/file/75480324533.pdfIn PDF document text
- http://enjoy.sk/editor_uploads/system/files/53272784746.pdfIn PDF document text
- http://sparkpro.lv/content/file/xitevezefakuterujiv.pdfIn PDF document text
- http://www.ximangsongthao.com.vn/app/webroot/uploads/files/56962186438.pdfIn PDF document text
- https://www.letspassdriving.co.uk/wp-content/plugins/super-forms/uploads/php/files/olf4haaj16c8s26m96i2m9hv68/bejezefoxisevivopiwinu.pdfIn PDF document text
- http://zap-interactive.com/uploads/files/96364560645.pdfIn PDF document text
- https://dialogueinpraxis.net/files/docs/lexunulesubetavaloz.pdfIn PDF document text
- http://mikomisushi.com/uploads/files/67429863587.pdfIn PDF document text
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/1ierlnpq954nlr56hdm403i2g9/2220642917.pdfIn PDF document text
- http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2d3b95f84---sukapiberadodaxivomivaz.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160d07f4d92bc5---80371814051.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d053c36f57e---kamenagakidovapexosarefa.pdfIn PDF document text
- http://soupworld.de/upload/file/1217798755.pdfIn PDF document text
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/f0f516512e068f12813459f46ed37da1/86625284076.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/0qau0n91loa5urkfnrsuh46fle/dezinudififivo.pdfIn PDF document text
- http://ondrejkocar.cz/img/file/wowifedu.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/l2pasu6c3agh48919frm4njji0/35329792754.pdfIn PDF document text
- http://sparkpro.lv/content/file/80481073085.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=recess+meaning+in+bengaliPDF 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_off0000cb71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB71 | 17620 bytes |
SHA-256: 874a257d6d8a983d94748f36001a32faab33df11cceace3808d5f8385bcc6cbb |
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font_01_sfnt_off0000f9dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9DC | 10440 bytes |
SHA-256: 4393187bd7da21f58da405404c17ed35727f936b016bcb4ad68f186210289e36 |
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font_02_sfnt_off0001117e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1117E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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