MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many pointing to compromised WordPress sites, suggesting it's a link farm designed to redirect users to malicious content. ClamAV detection and ML classification confirm its malicious nature, likely as a phishing or malware distribution tool. The embedded URLs are the primary indicators of compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9737
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://crewmak.ru/uplcv?utm_term=123movies+harry+potter+and+the+sorcerer%27s+stone
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ce17cb8a8af---22964830518.pdf
- http://thebellingerfamily.com/clients/0/05/05034faaa501c69409a7459485cba135/File/74535750460.pdf
- http://amandamaitland.com/images/file/wimibabofepuxile.pdf
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d230f95d66d---joxijox.pdf
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608fd5af1f3da---zisorugumubebufetike.pdf
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/8ni5nahgg7jcoatc9mim4b71p0/27590449155.pdf
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/77d0e4ece90f770b1babe1e303e1f354/gofebap.pdf
- https://textosolutionslinguistiques.ca/upload/editor/file/32803486392.pdf
- https://emauto.lv/index/images/up/file/74055620209.pdf
- http://ilovechardonnayhills.com/userimages/golip.pdf
- http://airholic.com/UpFiles/WebEditorFiles/file/kebimufagiweneganorunu.pdf
- http://artospace.com/pics/file/fawebamebebape.pdf
- http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/34139643542.pdf
- http://arunimaflavours.com/userfiles/file/50754418817.pdf
- http://oprfhs70.com/clients/879438/File/78080473022.pdf
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/a2ce8e3350f4aa69f214ad37136b0451/78652182106.pdf
- http://apexnepaltravel.com/userfiles/file/36178770424.pdf
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/3pacgn6bjvd99p7jfko2njqem0/vasilodabexedatevosux.pdf
- https://pet-fashion.ro/mm/file/bebafa.pdf
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/781ef739e1c0eba7e8f48c9dc5e9a87b/37730558212.pdf
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/39c663d5f82ff1a4cdd33d5c20180979/nafozawizomul.pdf
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16086870685de5---tumazi.pdf
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/do5j5o8kegbo9brgv4i9k98mbe/23260757646.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010ed0.bin7b53ecfd9b0a632b319ce687753f42ca2ab17509e15f80656f95aecbd75b0a00 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ED0 | 16380 bytes |
font_01_sfnt_off0001250d.bin6a10736ac246a98362b0e72b9372772e8630278e5b39360d0c94906a9cc9a81d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1250D | 3080 bytes |
font_02_sfnt_off000131e6.bin884aff439638a41b888ffc9dd8c194363c36f9f6f88731e33423a6db8fe04598 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131E6 | 20704 bytes |
font_03_sfnt_off0001652c.binf70ebcd65465391b790e0643f4ce797ccb837cdda355408b3399ac7d58b8abad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1652C | 11192 bytes |
font_04_sfnt_off00017f5c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17F5C | 16792 bytes |
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