MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised WordPress upload directories and disposable hosting, suggesting it functions as a link farm to distribute malicious content or for SEO manipulation. The document body is heavily obfuscated and unreadable, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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 http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/e5bbab500ad7f7104719d13dcfec19c1/dutuvasiva.pdf In PDF document text
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/341a84d3c37fde715fff070d68236efa/kejekaxepemiwikotujejepi.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b890e7e84b7---vegeverofabukaga.pdfIn PDF document text
- http://www.medicellbank.com/userfiles/files/vuzipuvedu.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160871e66e0cde---61034726181.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/ac529007b8b23f8547905fa0cd913cb1/wagus.pdfIn PDF document text
- https://xlspandoek.nl/userfiles/file/18699551295.pdfIn PDF document text
- http://lucann.com/Upload/file/40521937991.pdfIn PDF document text
- http://trevelsi.ru/ckfinder/userfiles/files/71383496665.pdfIn PDF document text
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/2300b29e9b44a6f5b3d7f41b0eeca6c0/70008464361.pdfIn PDF document text
- https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/fqc4of7535of7mvgg1e8a69nd4/razovewanopex.pdfIn PDF document text
- http://szentistvanpatika.hu/upload/file/puwuxawafupuz.pdfIn PDF document text
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/2pp0fsd09lmed4f3e7h9h016s2/nataxised.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a995968567a---lojolofesefebo.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/0504e98ffd38614a200ecf29fe750c63/7452033290.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c08d25f02aa---tedakomajen.pdfIn PDF document text
- https://landbondcorten.com/attachment/file/d9224c871b206ffa128fbc1e1020e697.pdfIn PDF document text
- https://www.borzabadi.com/ckfinder/userfiles/files/mijezusigag.pdfIn PDF document text
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083b51aeefa6---bedebofojizoxejekiduzid.pdfIn PDF document text
- http://electrogalicia.com/electrogalicia/recursos/archivos/bilubiduni.pdfIn PDF document text
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/fc7u64tm7la8ddjr0r2fmk2cmj/toxigokuga.pdfIn PDF document text
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/811e39b11e9d2417c3925e7a1887ed00/70018884810.pdfIn PDF document text
- https://cornwallstaffagency.com/userfiles/file/pagire.pdfIn PDF document text
- http://eltonltd.ru/sites/default/files/uploads/58320891672.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+to+take+the+back+off+a+kenmore+90+series+dryerPDF 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_off0000e1ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1CE | 11408 bytes |
SHA-256: 4ae152ae3275acde6c06f8e6faf95ffe7d2ed319a56082fcde9e159a76e5bc3b |
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font_01_sfnt_off0000fc98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC98 | 16612 bytes |
SHA-256: f387135206c928ccf554b52cf99767b190bb01dcd1a1fe00e3b83b9606fad8b3 |
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font_02_sfnt_off00012794.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12794 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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