MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, pointing to numerous domains, many of which are associated with compromised CMS uploads or disposable hosting, suggesting a phishing or SEO manipulation scheme. The presence of external URIs and link farm characteristics strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9739
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://zuche0551.com/upload/file/70198234916.pdf In PDF document text
- http://saktigroup.in/uploads/55015662181.pdfIn PDF document text
- http://mnwebdesign.dk/userfiles/file/27167083488.pdfIn PDF document text
- http://huyminhplastic.com/upload/files/nalinewilenidodojebur.pdfIn PDF document text
- http://studioarchterreni.it/userfiles/files/gilulobaraxumib.pdfIn PDF document text
- https://lesura.net/userfiles/file/53861917951.pdfIn PDF document text
- http://mathrainbow.com/userfiles/file/90964105488.pdfIn PDF document text
- https://thefencedocumentary.com/adminfiles/file/topavuzutanof.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/ebbbfba2dbe636447af4bc46c271e0e7/96107172946.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16143ca339d4c7---medozijad.pdfIn PDF document text
- https://razredna-nastava.net/files/66126836260.pdfIn PDF document text
- https://leifs-auto.dk/images/file/51040519571.pdfIn PDF document text
- http://zima.italie-ubytovani.cz/data/file/dolebox.pdfIn PDF document text
- https://iqrainternationalschool.org/_assets/files/tunikag.pdfIn PDF document text
- http://americasbestwingsbeltsville.com/uploads/files/gosovato.pdfIn PDF document text
- https://kolorubursztynu.kolorubursztynu.pl/web/uploads/files/vutejesu.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3dd624da4---pifinanomasanidevafag.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/b469752c1cc30cb57377bc88262e237a/sadubuwegapexu.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f5761bdb05---4535351603.pdfIn PDF document text
- http://uspeh-kursk.ru/ckfinder/userfiles/files/guwujugomuvofo.pdfIn PDF document text
- http://leebyunghun.kr/new/upload/board/files/dukizorigobokopib.pdfIn PDF document text
- http://offerparts.com/upload/files/gimatet.pdfIn PDF document text
- http://jsushibrea.com/uploads/files/64868240845.pdfIn PDF document text
- http://sovaimm.it/userfiles/files/87737330976.pdfIn PDF document text
- https://danielstrehlau.com/userfiles/file/lodejogajivikojasu.pdfIn PDF document text
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d0c0546e9c---19925980893.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=coreldraw+for+beginners+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/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_off0000b1b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1B2 | 14872 bytes |
SHA-256: 9b4bf2b6894d4ad3d63f8973a464ff91d1ca621e320dff7a94b1434e322779e9 |
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font_01_sfnt_off0000d75d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD75D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ef74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF74 | 10832 bytes |
SHA-256: fc646e3e1b8da816c8aa83171138a42abca49b192c55c31bffd77b5eb8f6d817 |
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