MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external PDF files, many hosted on compromised WordPress sites or disposable domains, indicating a link farm designed to distribute further malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
Heuristics 8
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://szermgrt.hu/uploads/ckfinder/userfiles/files/88917603758.pdf In PDF document text
- https://semagro-msw.ru/pics/images/file/zitiw.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1613588d3079a1---detugosuz.pdfPDF link annotation
- http://bike-aholic.com/UserFiles/file/84700954150.pdfIn PDF document text
- https://askisan.com/upload/ckfinder/files/xulelovemawukutef.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/ed3fe767ae8c4fd53428c864fd208900/xifozewekutubatobawu.pdfIn PDF document text
- http://paulabenveniste.com/UserFiles/file/84355380102.pdfIn PDF document text
- https://sankaibearing.com/userfiles/files/banojoxisog.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/zimelogolawavawigurep.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1614724f07be4d---99513223844.pdfIn PDF document text
- http://thomasgearon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/26000049695.pdfIn PDF document text
- https://cli-kh.com/uploads/files/202109051325134750.pdfIn PDF document text
- http://prosefkuchare.cz/userfiles/14487456243.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16140a4b186fcf---tusunas.pdfIn PDF document text
- http://kimdaiphatsteel.com/Images_upload/files/noperakotugizewowadox.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161345e77a87e9---57878809881.pdfIn PDF document text
- http://soldearenales.com/galeria/files/kazufig.pdfIn PDF document text
- http://mashhadgardi724.ir/basefile/mashhadgardi724/files/45414959103.pdfIn PDF document text
- http://ambulatorioveterinariosantanna.eu/userfiles/files/vusesipubadiwazezin.pdfIn PDF document text
- https://equalitas.es/userfiles/file/mubimofero.pdfIn PDF document text
- http://xn--80aguejfegacgj0ad.xn--p1ai/pict/file/gomewugelutufomeledi.pdfIn PDF document text
- http://civicwomen.com/ckfiles/files/wesibotokesozewa.pdfIn PDF document text
- https://spirit-legend-enterprises.com/webroot/editor-uploads/files/sumitig.pdfIn PDF document text
- http://www.yevres.fr/ckfinder/userfiles/files/tikimetowadopotikozit.pdfIn PDF document text
- https://gmt-tw.com/app/webroot/userfiles/files/nutamamupiz.pdfIn PDF document text
- http://app0.linkeo.it/ckfinder/userfiles/files/pitazofopegilexigowowegim.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136c960edb06---xoribefisozi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=my+phone+says+no+sim+card+emergency+calls+onlyPDF 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_off0000e245.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE245 | 17592 bytes |
SHA-256: 2662659353b1cd225ae13e9ee8ffc3c8bde3babd5843b2bde37c152fdb6b71d3 |
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font_01_sfnt_off00010ffc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FFC | 10972 bytes |
SHA-256: 9a2cc91669ebb55dfec96bd196f699254d16588242c596c1a6c7b51b61076ad9 |
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font_02_sfnt_off00012908.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12908 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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