MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, lacking user-readable content that would indicate a specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://xn--80akazwaeiw.xn--p1ai/editorfiles/file/sabezuzupaxosak.pdf In PDF document text
- http://valifyrepapillon.com/clients/6/68/68e1c6a84db99a04c21676ff826d6e37/File/6883590654.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087ed3cab698---23509913659.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160900061df01a---59887264374.pdfIn PDF document text
- https://amadesafar.ir/basefile/amadesafarir/files/13597329987.pdfIn PDF document text
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ad0f9a1a712---kaxexalumigelupu.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607748b424319---tefodiwo.pdfIn PDF document text
- http://obchodsezlatem.cz/upload/files/sakisatarud.pdfIn PDF document text
- https://lawina-radom.pl/files/file/74884707554.pdfIn PDF document text
- http://tcurryproperties.com/konadnew/userfiles/file/tuzefixevevufo.pdfIn PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/3d08ba2e35eeba4bd8c147097dd315e4/79789744322.pdfIn PDF document text
- https://securitydm.com/slicice/file/wevogolu.pdfIn PDF document text
- http://asiadomainstore.com/userfiles/file/xivatiw.pdfIn PDF document text
- https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/87mve3gragi4svv58jjpvob834/11445596537.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/0ba1da36c3df4d511fafc376a87cb689/38941711399.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160db2433a6c97---fuxoxanabusagag.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087b2cb585c6---17053888751.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160750a65138b3---97080811312.pdfIn PDF document text
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160705ecaba547---27568959718.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/727b02f4712d5873b3fe2221afd115b7/12255003089.pdfIn PDF document text
- http://jandenzobv.com/image_uploads/file/42701445365.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/a6a7b2438c9308374ea2ca117ec5ac96/38836164559.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160703a31497ea---30782859578.pdfIn PDF document text
- http://airholic.com/UpFiles/WebEditorFiles/file/12194443987.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=gameboy+fire+red+romPDF 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_off0000e9b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9B1 | 23824 bytes |
SHA-256: f9c83b9b5c3e042fa10100f9d19154aac9b4a2a188b4af3853b515b4f4e94e16 |
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font_01_sfnt_off00011d5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D5A | 10392 bytes |
SHA-256: b65e0fdae2740e70887a4f02e757bd1cd510b1349cc26cb61ba2539084e41b1d |
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font_02_sfnt_off000134e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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