MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as a phishing trojan and ML classifiers indicated a high probability of maliciousness. It contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicate a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://thingsantiquesla.com/userfiles/files/24858779244.pdf In PDF document text
- https://francemonde.news/UserFiles/file/gurakosimiwavavupudoka.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614b761dd547f---49305795292.pdfIn PDF document text
- http://palyavalaszto.hu/teszt/upload/file/36498247321.pdfIn PDF document text
- http://lineshare.net/upload/files/20210917004726.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/161334c020a94c---tinojifoxalenufo.pdfIn PDF document text
- http://awfiowv.love-mrt.com/upload/files/56832755130.pdfIn PDF document text
- http://teleinwestor.pl/userfiles/file/61100718021.pdfIn PDF document text
- http://thietbimaugiao.vn/Images_upload/files/2728165326.pdfIn PDF document text
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/8fcefd5f5556a46f8501f7ac610ab2f5/depopanudoduraxaj.pdfIn PDF document text
- http://kazuma.ru/ckfinder/userfiles/files/72961840127.pdfIn PDF document text
- https://zivotzaokny.eu/res/file/tedopivuge.pdfIn PDF document text
- https://e-fasteners.eu/media/file/rebibovimumobunas.pdfIn PDF document text
- http://flirtproducties.nl/ckfinder/userfiles/files/megafujebosuget.pdfIn PDF document text
- https://picinterior.com/ckfinder/userfiles/files/jowilawovodol.pdfIn PDF document text
- https://spa-salon.ru/ckfinder/userfiles/files/zujugaxaveg.pdfIn PDF document text
- http://vhshf.de/File/12995851265.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/161373ac74636e---63720337165.pdfIn PDF document text
- http://dintainoodle.com/uploads/files/38654748717.pdfIn PDF document text
- https://vgi-vn.vn/app/webroot/img/files/pawipevowasewiwinar.pdfIn PDF document text
- https://8cj2aja7-8mxb.com/contents/files/fobolawefe.pdfIn PDF document text
- https://copyjokertw.aw6.tw/uploadfile/qu4_qu106_com/files/76563872048.pdfIn PDF document text
- http://zespolbahamas.pl/zdjecia/file/20555558562.pdfIn PDF document text
- http://laiyi-art.com/userfiles/file/10214799334.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+scan+a+code+iphonePDF 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_off0000b013.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB013 | 15980 bytes |
SHA-256: 785d605eb1c644bac9050331eb8bb40e04a006c4f706950070c620795ac53e58 |
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font_01_sfnt_off0000d873.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD873 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f08a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF08A | 10540 bytes |
SHA-256: 15b350b4ba682a767c425738ae228a0c53eaf783a7ea81e10255964403897e20 |
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