MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to lure users to malicious destinations. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://infrive.ru/uplcv?utm_term=photo+viewer+app+free+download PDF link annotation
- http://decom.pro/admin/ckfinder/userfiles/files/60263615507.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/626fbc61c4ebc52a8aa2101f7fc2e821/wevojetejulatibema.pdfIn PDF document text
- http://damnoen.com/ckfinder/pho/files/20813465267.pdfIn PDF document text
- http://buren-kompanie.de/userfiles/files/xusumarojod.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614818cb41c0e---63695595887.pdfIn PDF document text
- http://receptlap.hu/files/temujan.pdfIn PDF document text
- http://yoga-privates.com/yoga-privates/file/sekunutokovesotuvimizu.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/9b694fb3543200e8ac9ec3ebcb14e41d/44581723243.pdfIn PDF document text
- http://redskap.ru/userfiles/file/63526463698.pdfIn PDF document text
- https://charteriraq.ir/basefile/charteriraqir/files/42376427147.pdfIn PDF document text
- http://polletnv.be/uploads/files/18045545505.pdfIn PDF document text
- http://originalcheck.it/public/img_admin/file///82700159639.pdfIn PDF document text
- https://heart-calligraphy.com/uploads/files/202109031155182218.pdfIn PDF document text
- http://irpuyesh.com/cache/fck_files/file/65192728706.pdfIn PDF document text
- https://unicon-msk.ru/data/files/lagajugulivomokidi.pdfIn PDF document text
- https://underworldgear.com/upload/users/files/tesaxexobilekaluzaku.pdfIn PDF document text
- http://raylutickenterprises.com/userfiles/files/sufanazofozalobefejasawof.pdfIn PDF document text
- http://jungam21.com/upfiles/file/1631088684.pdfIn PDF document text
- http://uptownfallschurch.com/uploads/files/gafeneguzatupuxa.pdfIn PDF document text
- http://cortocircuito.trialpanel.com/images/Upload/files/vosiwaboledexe.pdfIn PDF document text
- http://thanhcongtechtra.com/upload/files/darodekedavesanowila.pdfIn PDF document text
- https://jbdclothiers.net/emailer/userfiles/file/50911975600.pdfIn PDF document text
- http://short-story.ru/upload/file/lokonorowavemanavubabumev.pdfIn PDF document text
- http://cuacuonbinhduong.com/upload/files/kozugerugategenifima.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_off0000b5e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5E0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cdf2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDF2 | 17864 bytes |
SHA-256: 6ca613ea9404f4b1497b3dc422f8c55c5535d8076f181849af7ef296f812685b |
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font_02_sfnt_off0000fc11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC11 | 10580 bytes |
SHA-256: 67637ce6a4f2f57acb67116d5e75047a2e741fb01cb7644933a11fdc20649346 |
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