MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains embedded JavaScript and numerous external URIs pointing to PDFs hosted on a link farm, suggesting a phishing or malware distribution attempt. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically identifies the nature of the hosting for these linked PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 7
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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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://sswjeans.com/files/jigudebab.pdf In PDF document text
- http://gioiacompany.net/images/upload/file/futeguvajegobagi.pdfIn PDF document text
- https://china-glass-mosaic.vegner.com/userfiles/files/20210910_144528.pdfIn PDF document text
- http://tiramisu-o.com/yamituki-n/uploads/files/zedibobunuladedexomojudox.pdfIn PDF document text
- https://bestcaps99.com/ckfinder/userfiles/files/42350963305.pdfIn PDF document text
- http://popeyebio.com/upload/files/sisuxifuwis.pdfIn PDF document text
- https://pinpointfeedtech.com/ckfinder/userfiles/files/dolesefugale.pdfIn PDF document text
- http://trip-sale.ru/userfiles/file/sokumokukiwemedapodegi.pdfIn PDF document text
- http://dansensvenner.dk/imagesfile///nuxuxekuti.pdfIn PDF document text
- http://tipkeo.com/js/ckfinder/userfiles/files/34145940797.pdfIn PDF document text
- https://hostsolutions.ro/app/webroot/files/userfiles/files/zevudefutali.pdfIn PDF document text
- http://thuocnam.xyz/images/files/pejesukopuzitowawasozup.pdfIn PDF document text
- https://sainaudit.mn/File/vimusat.pdfIn PDF document text
- https://5ky13lu3-1251.com/contents/files/xojusazoled.pdfIn PDF document text
- http://gostinica-domodedovo.ru/files/febasovulegaguru.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d318069342---35838958348.pdfIn PDF document text
- https://mai-avto.ru/upload_files/file/16714381809.pdfIn PDF document text
- http://hotel-ambassador-nice.com/upload/files/luragipamezunudosonuz.pdfIn PDF document text
- http://biometria.pl/photos_fck/file/dobelefesum.pdfIn PDF document text
- https://abogadosaccidentealicante.centralcms.cloud/galeria/files/10932586118.pdfIn PDF document text
- http://massimosusto.eu/userfiles/files/toxomezisutadabejolusivus.pdfIn PDF document text
- https://vidaleve.net/ckfinder/userfiles/files/99700670439.pdfIn PDF document text
- http://ei-windykacja.pl/upload/file/45099376277.pdfIn PDF document text
- http://xn--80aguejfegacgj0ad.xn--p1ai/pict/file/gomewugelutufomeledi.pdfIn PDF document text
- https://calendarsunrooms.com/userfiles/files/roxamelijedozunidu.pdfIn PDF document text
- http://vinhomeshaiphong.net/app/webroot/img/files/41107876312.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=android+automotive+appsPDF 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_off0000ee0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE0A | 10656 bytes |
SHA-256: 6a9bee3eabb99be8c05cd191da21294de4cbc603c7bafd614da6194ae61123ec |
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font_01_sfnt_off00010676.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10676 | 17256 bytes |
SHA-256: 082d181bd95addc08fbbf2ce933eb2c815f2f78b1207d02df053b948de343818 |
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font_02_sfnt_off00013331.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13331 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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