MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious. It contains numerous links pointing to compromised websites, indicating a likely phishing or malware distribution scheme. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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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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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 https://coretry.ru/uplcv?utm_term=abecedario+movil+para+imprimir+pdf PDF link annotation
- http://xn--q20b13r9leepaeb.net/upload/file/202109010114377831.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/43993cb3b073faeaf53d25a9fbf6661d/xasapetegexojoponelusek.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161008bcd16418---3819662398.pdfIn PDF document text
- https://petrovsky14.ru/docs/files/ruvixuzukijitumokogosuwop.pdfIn PDF document text
- https://anukulagrotech.com/ci/userfiles/files/77720247157.pdfIn PDF document text
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/bfad69e41ad5d3398a21d517a13f666c/tetoxujasalifobaweditu.pdfIn PDF document text
- http://neodentpetrosino.it/userfiles/files/5686994205.pdfIn PDF document text
- https://newtop-eg.com/userfiles/file/7513960943.pdfIn PDF document text
- https://kimansion.com/uploads/file/30153979172.pdfIn PDF document text
- https://grouptm2.com/contents//files/38086486015.pdfIn PDF document text
- http://bmsorganica.com/userfiles/file/67201613072.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160984a66d2901---73098987310.pdfIn PDF document text
- http://chhattisgarhsanskritboard.in/sharpinstitute/images/files/zuguvusazemekubatazos.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-7-6/20210706004214325519.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088ed6e9ba28---zasadapijejufob.pdfIn PDF document text
- http://thefarmatarapahoecounty.com/userimages/xorazurinaj.pdfIn PDF document text
- http://seteo-dechets.com/images/file/midemunivaruluzibaboxapoj.pdfIn PDF document text
- https://mmszke.hu/files/file/fubejizegolol.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071580b72a10---89140152366.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cdcd075d1e5---35195109006.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a72da0a4929---rubamukotuvawunepenefevo.pdfIn PDF document text
- http://golfproradost.cz/webpagebuilder/ckfinder/userfiles/files/3144754347.pdfIn PDF document text
- 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_off0000d9f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9F5 | 10600 bytes |
SHA-256: 732b63b6e10515bcf1d97082a53fcc332554de6ec917e05388636a8ac108518d |
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font_01_sfnt_off0000f1f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1F7 | 19416 bytes |
SHA-256: 5643e7824b354cda945ff84c086d32c5a25d9e6daec84c8e4e8a2b6fb63efaa3 |
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font_02_sfnt_off0001240a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1240A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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