MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites or are hosted on disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 5
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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://philabc.ru/uplcv?utm_term=how+to+set+caller+tune+in+set+caller+tune+app PDF link annotation
- http://resortvillairene.it/userfiles/files/92091353439.pdfIn PDF document text
- http://ajivikafinance.com/userfiles/file/gosadetovugosadisudoge.pdfIn PDF document text
- http://geojeoceanhotel.com/userfiles/file/20210913023355.pdfIn PDF document text
- http://metallpress.info/files/88630883102.pdfIn PDF document text
- https://tecnicadovolante.com/images/file/90656521083.pdfIn PDF document text
- https://habibitoursegypt.com/ckfinder/userfiles/files/tulomazupowapotetadod.pdfIn PDF document text
- http://rymwid-training.com/userfiles/file/wuxojojawu.pdfIn PDF document text
- http://wksystems.net/HotelEstimator/userfiles/file/45339773135.pdfIn PDF document text
- http://mrpennarak.com/user_file/file/3180466264.pdfIn PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/161420b1506d82---ralawemudugelugus.pdfIn PDF document text
- http://sanga.asia/userData/board/file/24304326344.pdfIn PDF document text
- http://gursakaryahukuk.com/images/file/43337125282.pdfIn PDF document text
- http://www.oomewatersport.nl/upload/files/zoroliz.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146bdc81eec9---kajaxa.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1614b62f5347ad---43910760602.pdfIn PDF document text
- http://fujavietnam.com/images/Download/teginujapijel.pdfIn PDF document text
- http://uptownfallschurch.com/uploads/files/12519903915.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/161474f4011727---51707662250.pdfIn PDF document text
- http://hausdergesundheit.net/userfiles/files/folalififanunobok.pdfIn PDF document text
- https://semut73.com/contents/files/lunofevaxinofokolaki.pdfIn PDF document text
- http://teknis.it/userfiles/files/sabufusuxenifinudu.pdfIn PDF document text
- https://mcsfood.com/images/file/xubunagagefed.pdfIn PDF document text
- http://lauraestetica.com/userfiles/files/gunawubem.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_off0000aed2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAED2 | 15616 bytes |
SHA-256: 11d3660088cc674e8b9956114b0b7cabd0a589d82c64140b97eba3bafa4b9327 |
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font_01_sfnt_off0000d6ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6AD | 10544 bytes |
SHA-256: 6d8d58c4364b5fecf5ffde9efbfb18e5bd2787bac999e8e5e156281278ad1d59 |
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font_02_sfnt_off0000eedf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEDF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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