MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Several heuristics identified the document as a link farm, with many URLs pointing to compromised WordPress sites. These links are likely used to distribute further malicious content or lead users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161322fe3cc329---5046970030.pdf In PDF document text
- https://fresh-cherries.com/ckfinder/userfiles/files/repoderasejedopitemik.pdfIn PDF document text
- http://travelport.pl/userfiles/file/76503145982.pdfIn PDF document text
- http://paradoxine.com/upload/files/70524255096.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614112e7b7dd5---fawex.pdfIn PDF document text
- http://egitara.com/upfiles/files/rekijebanevasevebe.pdfIn PDF document text
- https://esvigo.com/upload/files/nokatudusavapupaparenaso.pdfIn PDF document text
- https://vanchuyenduongsat.vn/upload/files/jugozujisejila.pdfIn PDF document text
- http://rejs2013.cycling-recycling.eu/imgturysta/files/692508257.pdfIn PDF document text
- http://elskup.pl/images/assets/file/baboxavewimegoler.pdfIn PDF document text
- https://landbondcorten.com/attachment/file/30903f800816ef97e545d490cc4d449d.pdfIn PDF document text
- https://www.grdr.org/paidel/ckfinder/userfiles/files/gokasitemavusuti.pdfIn PDF document text
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16140bf10c9275---92711225574.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/1u7aj0stpn4lkt14772g8b7l61/33720549168.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/161388f06c8d37---60549606072.pdfIn PDF document text
- http://elandtour.com/FileData/ckfinder/files/20210914_02817E0E1F29E3CA.pdfIn PDF document text
- http://minipit.com/data/files/47170596556.pdfIn PDF document text
- https://hurghadalife.net/userfiles/files/75684773734.pdfIn PDF document text
- http://de-ko-gmbh.com/ckfinder/userfiles/files/pogamabixigexuz.pdfIn PDF document text
- https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/16139c39f2bc5d---magapogonabuji.pdfIn PDF document text
- http://udmvdpo.ru/images/files/megadewipus.pdfIn PDF document text
- https://rpdev.org/ckfinder/userfiles/files/rikebilesujus.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16141bc53616ad---wolilelamopiwelirorofi.pdfIn PDF document text
- http://yey.uw52.com/upload/files/jilisuguvekiruvoguza.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138ba861b0a8---67245585970.pdfIn PDF document text
- https://projekt-lesen.de/userfiles/file/48091768542.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=bad+piggies+hacked+unlimited+itemsPDF 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_off0000e3f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fc03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC03 | 17728 bytes |
SHA-256: 0714ad017456be96edbec3e39d4b5736e91aedbf46e3f4255494cc70b0940e32 |
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font_02_sfnt_off00012a7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A7C | 10988 bytes |
SHA-256: c97d21f49cc460fae7a130e8eb87a23cef1c6b508f6c151646230e2f9612a2a4 |
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