MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress upload directories and disposable hosting domains, indicating a link farm designed to redirect users. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The presence of multiple unknown URLs suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160fe081db6196---92206856138.pdf In PDF document text
- http://kiapelhrimov.cz/UserFiles/File/sizemitokifodorovivor.pdfIn PDF document text
- https://olterus.info/contents//files/48759956500.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160931bda0aaa9---88350104805.pdfIn PDF document text
- http://instandee.com/Images_upload/files/9975836991.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b9bb3e7b506---92651944145.pdfIn PDF document text
- http://ty-universe.com/image/files/20210622_152410.pdfIn PDF document text
- https://dalnoboy.com/data/filestorage/upload/files/47922696341.pdfIn PDF document text
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/16092ee5f9a524---tapotaxenobikawix.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607afcbfca2af---bodajetajanutexufiji.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/739ebd2065306c69ea3ae3b8b51978a1/finomolosivoziviv.pdfIn PDF document text
- https://travelinnsuites.com/nbloom/fckuploads/file/57709028395.pdfIn PDF document text
- https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/d69888665c52a89322b50e947e4db1f0/kasuvozuj.pdfIn PDF document text
- http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/nusisimanumebenokepamunoz.pdfIn PDF document text
- http://mobilesamara.com/img/files/file/pivatepisexef.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/jdk8mqtrfe8ifkmjqb5j7u2j0l/49917528102.pdfIn PDF document text
- http://pokeocncafe.com/uploads/files/jupadu.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb7c97cf48a---mavewovixifurizowosa.pdfIn PDF document text
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/7e8f399010575292c19851d800ce42a1/nezegepomeloz.pdfIn PDF document text
- http://nakamurasangyou.jp/app/webroot/uploads/files/11388675651.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ec4aaf923c1---2169496735.pdfIn PDF document text
- https://armagedonspedycja.pl/files/file/63212406337.pdfIn PDF document text
- http://vibestedu.com/_UploadFile/Images/file/8176714106.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=fourier+series+solutions+of+partial+differential+equationsPDF 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_off0000bc15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC15 | 10712 bytes |
SHA-256: ae1af8bfaa9bc84e5e67bb28504eaa8617e3779934e0bc58869046014b48f293 |
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font_01_sfnt_off0000d489.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD489 | 17632 bytes |
SHA-256: 96518b727b7d1c4fde796068a5637182286c5f8239cd8d3c3b8283fbaa09872e |
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font_02_sfnt_off00010230.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10230 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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