MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to redirect users. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or a downloader. The document body is heavily obfuscated, preventing a clear understanding of its direct content, but the heuristics and URLs point to a malicious redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a99f2617ece---xomezazapupokidamo.pdf In PDF document text
- http://lavalnerina.it/userfiles/file/31720878506.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/398d7b5437275cbe632e8fb72a4c6420/gawezodus.pdfIn PDF document text
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/m8l1gvn4641balsii1nclb1j47/81281303779.pdfIn PDF document text
- http://csc-021.com/userfiles/file/20210702215225_o834nh.pdfIn PDF document text
- http://vinmexindia.com/uploads/8815581945.pdfIn PDF document text
- http://www.corazondelsol.es/ckfinder/userfiles/files/10936135762.pdfIn PDF document text
- http://landpas.pl/upload/file/wufekumutabifes.pdfIn PDF document text
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160b309d4ec8df---rapebopafam.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8cfc710002---funimobaf.pdfIn PDF document text
- https://agentcctv.com/userfiles/file/7114729822.pdfIn PDF document text
- http://carlaschroyen.com/content_docs/6289530794.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/69eb905795d8e6c3b4df6589bd71a0af/nanumusovajozetopa.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aba8594be12---66980150914.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/0b7e3f282baf62431af4cbddf1e133e9/xenubepufe.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad5debc0d2---lodaberiwopegufowozedifow.pdfIn PDF document text
- https://bloc-immo.com/images/26634607056.pdfIn PDF document text
- http://icltindia.in/userfiles/file/12250894937.pdfIn PDF document text
- https://whiteelephant.co.in/wp-content/plugins/super-forms/uploads/php/files/8222fda1dda8646493988f18c1be453e/dukubu.pdfIn PDF document text
- http://ajivikafinance.com/userfiles/file/85941081421.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/svm8c5g872kk1a47jfnlai6j46/7378864326.pdfIn PDF document text
- https://its-bulgaria.bg/files/file/rebifowewusixevawulazakep.pdfIn PDF document text
- http://aire-limpio.com/img/editor/file/16442797595.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607c10966e00a---nuripabemujonunoged.pdfIn PDF document text
- https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/7029d7a9c3bad29387ecdfe8861f07f4/kubomo.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d22f9de2556---liruvodonolemaxekaguturon.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=different+stakeholders+in+a+companyPDF 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_off0000f8ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8AE | 17320 bytes |
SHA-256: e2a51e948e114f562915c8a53e5547244eefbbd53e0b1cca02e5c36b7d187b0b |
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font_01_sfnt_off000125b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125B1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013dc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DC8 | 11092 bytes |
SHA-256: 2f97ec4e919fbbaf789dc9122ffef47a533a1a13d5bbe362419e9825be976d90 |
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