MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics indicate it functions as a link farm, with numerous URLs pointing to potentially compromised websites or disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure suggests it is designed to redirect users to external, untrusted resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://orbitsecurity.qa/pro_mvp_tech/uploads/file/wipurenimenele.pdf In PDF document text
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/89q6sms533o1cvsnhhe459ahcu/mekunasikivegefemadata.pdfIn PDF document text
- https://pharmnet.cz/ckfiles/files/files/8991040996.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160727d5b11b45---7370327568.pdfIn PDF document text
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609314acd933f---8138676588.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/2094c90f776d8b535d2c172ac96e6b31/98858204951.pdfIn PDF document text
- http://s-privod.ru/userfiles/file/41451625787.pdfIn PDF document text
- https://tapetcenter.ro/app/webroot/files/userfiles/files/molivedakalos.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609040a5b55aa---52479376465.pdfIn PDF document text
- http://decamiones.com/userfiles/file/68522308038.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/38545116831.pdfIn PDF document text
- http://nelly-design.ru/upload/files/mimabexalorekugega.pdfIn PDF document text
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/f2iu7i00b0sig42l61v1jid02l/21096621302.pdfIn PDF document text
- http://anhuizpyy.com/upload_fck/file/2021-5-2/20210502204828728963.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/a00bfc5d0356074a1dea294c87444f28/12391584528.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/2cc1ca4ad74fdc70bc90c3aedcc42bbb/tagidaderiraxarinavapud.pdfIn PDF document text
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160766e856990f---53989953343.pdfIn PDF document text
- https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/160a9545708160---5922350467.pdfIn PDF document text
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160c0046baf169---nigopadadugisolupok.pdfIn PDF document text
- https://rinducm1.com/contents//files/sudukepagupam.pdfIn PDF document text
- http://tortsurprise.ru/upload/redactor/files/bakozebuwagokixosibiro.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c94d777e0b9---51850822462.pdfIn PDF document text
- http://karpatskiles.ru/store/files/63975291308.pdfIn PDF document text
- https://dimensioninteractive.com/WYSIWYGImage/file/67765415425.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=40+light+years+in+earth+yearsPDF 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_off0000ee37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE37 | 10484 bytes |
SHA-256: ebe2d1e522cd15a0dff16abec80bcdf8d8f8ad7b6c0da347c06e71361643157d |
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font_01_sfnt_off00010601.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10601 | 17004 bytes |
SHA-256: 28eae725fbaf7a266d8cbcb9e16273dd08e21a393a1a1555eac3f204b01a0bf9 |
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font_02_sfnt_off00013286.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13286 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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