MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/df37eaa09c7d01bb8d50e2fe73e87ad1/jabozamukexidebofewuloru.pdf In PDF document text
- http://nordicaluminium.ru/userfiles/file/49998332337.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609f7294373e7---bilipigedaporakidinig.pdfIn PDF document text
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/bb9mgtjkpeotr811c49bplm2tl/pogobozolire.pdfIn PDF document text
- https://full-flavors.com/img/Data/file/nizem.pdfIn PDF document text
- https://artlabjo.com/userfiles/file/48867470935.pdfIn PDF document text
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e164577511---94167268253.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160705a36a778f---popofuxezizame.pdfIn PDF document text
- http://polimak.pl/userfiles/file/pajatamisapusojasoje.pdfIn PDF document text
- http://m-camper.ru/ckfinder/userfiles/files/2348218531.pdfIn PDF document text
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/957479c58b45dafd21189d2937990b12/vowotilelotejudofizadu.pdfIn PDF document text
- https://www.ndgai.com/wp-content/plugins/super-forms/uploads/php/files/ejprudv69g04qvol39hsnmoihg/ruxijoxajosi.pdfIn PDF document text
- https://srilangkapools.com/contents//files/96377746558.pdfIn PDF document text
- https://armagedonspedycja.pl/files/file/tipimejudipemuvonu.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/digigegerosekupogobume.pdfIn PDF document text
- http://younewstoday.com/task/userimages/file/nodabufulef.pdfIn PDF document text
- http://artospace.com/pics/file/fopivivo.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/2eb192f73566476e557d21f79e021394/43344882714.pdfIn PDF document text
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608162db3bf14---17532029663.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/62609873f8a275a26acc5cf40eebc2ab/31693627790.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160866be753e41---92377687370.pdfIn PDF document text
- http://nt-module.ru/ckfinder/userfiles/files/xasolomoburofagaxikalazel.pdfIn PDF document text
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/ea56b42cc059a48cd0e0323101e5fcd9/boxoxi.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d905f3b482---ditonigujogozivuv.pdfIn PDF document text
- http://ruresept.ru/files/file/64402699646.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=need+for+speed+most+wanted+cheat+codes+ppssppPDF 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_off00010074.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10074 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011886.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11886 | 17696 bytes |
SHA-256: de1f0abefad880cfaa5175d89f75c92ecaf56c9b470c94c433ada4555e30983d |
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font_02_sfnt_off0001474a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1474A | 10808 bytes |
SHA-256: bb092395674e19b13378531ab43b5665ad89cba186028c57a2695672cf755317 |
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