MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and a significant number of external links, many pointing to compromised WordPress sites acting as a link farm. These links often lead to other PDF files, suggesting a multi-stage download or redirection process. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to deliver a phishing lure or exploit.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://abril.pe/wp-content/plugins/super-forms/uploads/php/files/2jbufvipdjk8k4ul25eme465ug/tiwonulagoterubowiridolug.pdf
- http://famillespourstarlight.ca/clients/a/a9/a9b42c05011d3bb27e7f7ec2ed30324f/File/37985990642.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a78a4309a4c---36449157092.pdf
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16090dbe645e1c---silotejapulazis.pdf
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/1a1e5bff0009c97bc5f852a203d208b5/pomepimowebegagozoxode.pdf
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091482844e5c---jumegaxijajuwezuwiruli.pdf
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fbf38cb5f64---6701754160.pdf
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/numhtnipe8qq18jtra2ifqcncd/33247787836.pdf
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/17652de54dfe9edafaf127f4d469e24c/gofadikoninumib.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160840bcef3e3e---23575866990.pdf
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2d04a857e---sudaz.pdf
- http://acecaalcoy.com/userfiles/file/79847241578.pdf
- http://osheamaloneynylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gisoluvaduzutik.pdf
- http://knshzj.com/CKEdit/upload/files/potelokafizazilefefit.pdf
- https://egf.tw/test2/images/file/48275393814.pdf
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/4681c4dcc13c81601945e819d4ae7758/31714702477.pdf
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/cc28d1755d4b519c1964effec26672f7/74086603347.pdf
- http://joyearland.com/ckfinder/userfiles/files/xeruxijudinejine.pdf
- http://gursakaryahukuk.com/images/file/belozakuwowedamoso.pdf
- https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/norotokiranuni.pdf
- https://taiwancy.com/app/webroot/userfiles/files/70022614211.pdf
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc667784232---bamovulezuzojozubi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=graphpad+prism+8+crack+mac+reddit
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f57c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF57C | 16792 bytes |
font_01_sfnt_off00010d93.bin42e6a67454d0b2bab746cbcdde99f28641f276708758b614fd6945934bf94537 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D93 | 10848 bytes |
font_02_sfnt_off000126ad.bin84fab468fa41dca324aea07bc8c2517259a48dc3bc846860c8ebb7b30ebc0691 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126AD | 16968 bytes |
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