MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm hosted on compromised WordPress sites, likely designed to lure users to malicious or phishing content. The presence of multiple unknown URLs further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/86e74a183c0904848924be708d1ca646/29227743533.pdf In PDF document text
- https://fcksa.com/ckfinder/userfiles/files/43592697256.pdfIn PDF document text
- http://bjallstar.com/upload/file/83196579936.pdfIn PDF document text
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/7sa3tn16c74gueu9ill5sjsu9a/77408344987.pdfIn PDF document text
- http://slp72.com/clients/7/7b/7b902bee17765b19ebdde6030f24742d/File/juwopujowiwupimatu.pdfIn PDF document text
- https://hbphoto.ca/resimler/files/tigus.pdfIn PDF document text
- http://air-ned.com/uploads/files/zisobuwot.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/f826ae74d08e3b54be3b699f1db7f30c/pazularegarinav.pdfIn PDF document text
- http://constantcontinuity.com/membership/data//files/34741190245.pdfIn PDF document text
- http://mitcostruttori.it/userfiles/files/wuvasekutatij.pdfIn PDF document text
- http://narnivet.com/userfiles/files/56722115843.pdfIn PDF document text
- https://myphi.biz/nbloom/fckuploads/file/97166816404.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/7ff21548949ae37047a113271a278506/sewokirovajofodivima.pdfIn PDF document text
- http://bundoreh.com/fckeditor/files/file/futona.pdfIn PDF document text
- http://tkvolley.pl/upload/files/wurajij.pdfIn PDF document text
- http://7seapharmtech.com/Uploadfiles/files/lunoragezuvezivetexoxofa.pdfIn PDF document text
- http://terhautz.com/upload_files/files/nameboxifofup.pdfIn PDF document text
- https://malashealthcare.com/userfiles/files/60379117439.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/faxenofoluriw.pdfIn PDF document text
- http://ecohouse-lab.de/userfiles/file/47243238049.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608dde2dbd384---12366903495.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087515d37858---46501553381.pdfIn PDF document text
- http://secureyun.cn/uploadfile/file///2021083016495217.pdfIn PDF document text
- http://www.taylormadetc.com/siteadmin/ckfinder/userfiles/files/xekumiwoler.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/cbdec8a9448ad4c05fda8167632244a4/47627621050.pdfIn PDF document text
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160da80ea635a0---maget.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=watch+sinister+2+full+moviePDF 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_off0000ff08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF08 | 10880 bytes |
SHA-256: 557e413ee9a96950b6411350e6fe826f10643865badbaecc3f74b7b05a1e7bb0 |
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font_01_sfnt_off0001181e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1181E | 17596 bytes |
SHA-256: a8bc317a8680d05d514ca1f4c666c93042842ab7a56b1283ac446b2cfb2f81be |
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font_02_sfnt_off00014552.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14552 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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