MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery. The presence of multiple PDF-specific heuristics related to link farms and compromised CMS uploads further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 http://perfect-gallery.com/userfiles/file/ligebilituxipevoxajilex.pdf In PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131fe2ad5cec---pumerakag.pdfIn PDF document text
- http://aexpress.lv/index/images/up/file/93461660283.pdfIn PDF document text
- https://www.clinicaepilepsia.cl/ckfinder/userfiles/files/bisilerupu.pdfIn PDF document text
- http://edbiji.com/uploads/files/20210902071624_732721.pdfIn PDF document text
- http://hydrogears.com/survey/userfiles/files/809790020.pdfIn PDF document text
- http://www.fuchingrading.com/upload/file/60846557293.pdfIn PDF document text
- http://www.jysunshine-hotel.com/up_files/file/12324454535.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/cb41afde3b9034e86dba16f783aaebb4/38499254855.pdfIn PDF document text
- http://chemsdano.com/upload/files/79314324032.pdfIn PDF document text
- http://80tner.friend-match.com/upload/files/susimumopevolukikerudiwub.pdfIn PDF document text
- http://rent2day.ca/ci2/userfiles/files/bavodivogarajut.pdfIn PDF document text
- http://footstepfloor.com/upfiles/files/rasatexutadal.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613b97feb67cc---kivobagijiledugut.pdfIn PDF document text
- http://dichvugiayphep.biz/upload/ck/files/womazajatoliduxevun.pdfIn PDF document text
- http://cortocircuito.trialpanel.com/images/Upload/files/8571966928.pdfIn PDF document text
- https://tiguan-wiki.ru/file/9534860330.pdfIn PDF document text
- http://conniecorsentino.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jetupesepixidekerujitif.pdfIn PDF document text
- https://hanomanberjaya.com/contents/files/1789994427.pdfIn PDF document text
- https://wildnaturetravel.com/File/28121650132.pdfIn PDF document text
- http://eskuvoiiranytu.hu/blog/file/mamenadisibobosikarogagu.pdfIn PDF document text
- https://liftsystems.ro/LiftFiles/file/95683485200.pdfIn PDF document text
- http://koreabulk.net/userData/board/file/59860320240.pdfIn PDF document text
- http://asvpp.fr/pdf/56450139228.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=pubg+mobile+royale+metro+apkPDF 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_off0000de05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE05 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f617.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF617 | 18856 bytes |
SHA-256: 484910d5c3b4d307ea8d635082742dc4a1dedda5cdea8f3a26ee87eee0c43aa9 |
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font_02_sfnt_off00012729.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12729 | 10768 bytes |
SHA-256: b68dfe63dcc79e7dab9a0ae81f13812aa44b3b443264c2e9ae76b3a74e01e0a3 |
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