MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress upload directories, suggesting an attempt to redirect users to malicious content. The presence of these links and the detection as a phishing trojan strongly indicate a malicious intent to lure users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf428dfece---81196971059.pdf In PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160792d4c43546---kivodunexerexutaza.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160703327da3a4---najakiriv.pdfIn PDF document text
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/45521502d251ff82ff58c4569c3ad28e/9861310421.pdfIn PDF document text
- http://arch-teh.com/pic/userfile/38683929091.pdfIn PDF document text
- http://standrewsparishhighschoolclassof1964.com/clients/70428/File/61800988770.pdfIn PDF document text
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/ea453ee2d6181d2fe67867543a1f16d2/8521130615.pdfIn PDF document text
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2f9e93e881---xizamoxitabagebazud.pdfIn PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/db0cb263ab5915491c3543d4589e87bd/97881236369.pdfIn PDF document text
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/4141bd5680c2ec4cf999896509688363/28647092772.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c5a6695290d---77463033467.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd3e426cc8---9048698894.pdfIn PDF document text
- http://teusz.pl/UserFiles/file/vozorupilixarepa.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/32f2f64fc0e2e27721f37880a4432ca9/korenagiriwusedegifazeso.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/4760b70dbe97b77662daf7a50a01ebd8/66369367089.pdfIn PDF document text
- http://mid-europe-ex.com/images/blog//file/lamamuvijilobilisijip.pdfIn PDF document text
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3153b16e52---70165025141.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/b4de9c9127e97ab5a902c3ebab4c64aa/legarerepetuxasomaken.pdfIn PDF document text
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/7eb30afa7460e71a232731932f604955/62157139885.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ba75241088f---41145921325.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b0784edd165---somadaruwi.pdfIn PDF document text
- https://arerp.kr/data/file///6429018069.pdfIn PDF document text
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/h0diueij61big4j2g83hu7k7c2/naligibigefudujixinomawem.pdfIn PDF document text
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2fac376898---74057366124.pdfIn PDF document text
- http://nc-israel.ru/upload/files/23685873309.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a1073064050---zawuwakela.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=diet+for+increasing+weightPDF 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_off000104e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104E6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011cf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CF8 | 17060 bytes |
SHA-256: 4a698fdf7f808f90f1bda2dd659dd221a0ca2e568429c73da886939cde3607e8 |
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font_02_sfnt_off00014947.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14947 | 10656 bytes |
SHA-256: 8869721d4ffacdc00e5f03ab23c1e55f42a020c0799fb66fd9bbccca2502aefb |
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