MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 70 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://princeworldwide.com/multimedia/userfiles/file/juteberusosaz.pdf In PDF document text
- https://ikansambel.com/contents//files/90924232126.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609798d2df9cc---gijarizufimataliteledu.pdfIn PDF document text
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/c66a0ffa6543afdd73177a60b45d7865/gotebaxusilemetuj.pdfIn PDF document text
- https://implantsdentairesdesmoulins.com/upload/editor/file/7719170416.pdfIn PDF document text
- https://www.luxboss.com/ckfinder/userfiles/files/24418568250.pdfIn PDF document text
- https://feng-shuiworld.com/userfiles/file/64446941106.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e56bcc9b2c5---kotewotuganolibivefarax.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608db03d863a9---62699820937.pdfIn PDF document text
- http://solyaris.pro/admin/ckfinder/userfiles/files/51403977249.pdfIn PDF document text
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160f94b5e0f22d---jupivilid.pdfIn PDF document text
- http://www.lircai.com/web/inline/file/duvivudir.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afcfa762f59---xakopefibivaniganolejijox.pdfIn PDF document text
- https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609967d8d23f8---32533028816.pdfIn PDF document text
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f4f50d8684---wamapimifazapojumezaxuwe.pdfIn PDF document text
- http://igabana.com/upfolder/e/files/20210724153445.pdfIn PDF document text
- http://artospace.com/pics/file/latogopazenulo.pdfIn PDF document text
- https://e-fasteners.eu/media/file/vazuxowugufupewobivebux.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1612a69c75bdf0---suginivagasulazitokanuman.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088182853a25---98220070288.pdfIn PDF document text
- http://greenearthgardens.org/userfiles/21465885463.pdfIn PDF document text
- http://himalayakebab.com/shipinc/userfiles/files/jijasixaligipirebisaj.pdfIn PDF document text
- https://stancijanegrin.com/userfiles/file/tarexajofugemapekuzivavad.pdfIn PDF document text
- http://kfnmsz.com/upfolder/e/files/20210728013331.pdfIn PDF document text
- http://giayviettri.com/img-ftec/files/vovefepumesugelaru.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/f441c83a292d924fa34071da6b3d693f/bodozurevubas.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=microbes+in+our+bodyPDF 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_off0000b881.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB881 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d098.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD098 | 10404 bytes |
SHA-256: e9aeeb9085439aa4ac041d1c755a1e19c31cfdcfe46183ae12b52547e64cb902 |
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font_02_sfnt_off0000e843.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE843 | 14004 bytes |
SHA-256: 005d67293560b369a618c373db204461304e1cbe1deeb49cf0ed44670afbfc87 |
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