MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs hosted on potentially compromised or disposable domains. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of numerous links suggests an attempt to redirect users to malicious sites for phishing or further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://ismart99.net/upload/files/govofixowolarawilozofuw.pdf In PDF document text
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/2293565a47a911bc2aa414be3bd8ff66/40609959016.pdfIn PDF document text
- https://www.la-melodie-des-saveurs.fr/ckfinder/userfiles/files/rapabofaj.pdfIn PDF document text
- http://rapet.hu/files/kadizigu.pdfIn PDF document text
- http://mjacz.cz/soubory/files/nimafubavizuzinif.pdfIn PDF document text
- http://goref.ru/files/file/59993879781.pdfIn PDF document text
- http://wooshin.kr/uploaded/file/126300861860af79654a33a.pdfIn PDF document text
- https://capitaleny.com/wp-content/plugins/super-forms/uploads/php/files/36342f476fff70b442c0792c9fde80fa/11684624326.pdfIn PDF document text
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/84956277626.pdfIn PDF document text
- http://ctkupavna.ru/upload/file/66386688906.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16090e0eaa7674---pugilibijesazon.pdfIn PDF document text
- http://ingenermarket.ru/userfiles/50467231865.pdfIn PDF document text
- http://www.adarshvidhyasankul.org/userfilesfile/tezazogelimimivewakisitaw.pdfIn PDF document text
- http://xn----dtbsgbucafmmaf.xn--p1ai/servimages/editor/files/jovogofumibirinoxot.pdfIn PDF document text
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/77d24414d7a501f42eabb1d875605f39/23077538305.pdfIn PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d177a1da53---50417721061.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/bk67phh5vss1dc9v8385on9skl/54044640905.pdfIn PDF document text
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/35i27e4lan207d3uovjo11dr1l/91523999326.pdfIn PDF document text
- https://mingyi-lock.com/data/file/userfiles/files/tajevupe.pdfIn PDF document text
- https://7mark3t2-7aya.com/contents/files/93447744604.pdfIn PDF document text
- http://ebiocell.com/uploadfile/file///2021062706460014.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607b196eb3e17---pupofopukofudizaduzufifi.pdfIn PDF document text
- https://partnyor.az/userfiles/file/wogefulofogagarofuxojase.pdfIn PDF document text
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ef080d35a---jebavetuvovezow.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=consumer+affairs+of+direct+sellingPDF 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_off0000d290.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD290 | 10952 bytes |
SHA-256: fa2126570f22460282af3e8ca717aa7bf9b56929bd9de6cbd038590bbb02c2a5 |
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font_01_sfnt_off0000ebbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBBE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000103d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103D0 | 17144 bytes |
SHA-256: 5746fc6aaeac9dd5549a040a6da5333bcbfa9ccc150f0e53cb832107b87c37e4 |
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