MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute further malicious content. The presence of external URIs and the ML classification indicate a high likelihood of malicious intent, likely to trick users into downloading further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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.retorika-zidar.si/ckfinder/ckeditor_uploaded_files/files/12428073827.pdf In PDF document text
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/378cbba90079eb1db706c4dfb7831824/dozanip.pdfIn PDF document text
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/gexajalosojesewofu.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c69d48ce67e---dotujor.pdfIn PDF document text
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ccbc066bbc4---9063024185.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/5238d1bc7af7eb218d51c2351d462293/lajegar.pdfIn PDF document text
- https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/abde6da506a5bb09036b07823aa15a33/25096495870.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/82b5edbb077fb1059069de9356c7ad26/nebuderiluwutux.pdfIn PDF document text
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/96f35902a3acdfcd678a53c9431b6097/mavadulubadojefoz.pdfIn PDF document text
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/h6udfnkshso6jvhh8motec8b2r/11123404956.pdfIn PDF document text
- http://frangarcia.eu/upload/file/vorutika.pdfIn PDF document text
- https://senhewood.com/d/files/zivigagelusenodifisulofa.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a295c4f27ea---37752126934.pdfIn PDF document text
- http://alituncer.com/userfiles/file/25592920533.pdfIn PDF document text
- http://ventilatoryzlin.cz/images/file/3578594489.pdfIn PDF document text
- http://farmaciafoglia.eu/userfiles/files/787074818.pdfIn PDF document text
- http://bluefield1966.com/clients/26642/File/rurawajugumesetune.pdfIn PDF document text
- http://banhangcongnghe.com/upload/FCK/file/vepagobo.pdfIn PDF document text
- http://kemenyseprosiklos.hu/upload/file/2186465673.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/85a9952cc4a69b86dcccf64e3cd70a41/tifave.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/53bf208d219a41486d040a573f554faa/85338275754.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609b873787ba7---bakuvoluj.pdfIn PDF document text
- http://szpital-sulecin.pl/images/fckfiles/file/wuxokin.pdfIn PDF document text
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c93747c3c7d---46712787531.pdfIn PDF document text
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1607f7a543e4e6---33064900926.pdfIn PDF document text
- http://aliglobshop.com/userfiles/file/27025670729.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=no+of+countries+in+asiaPDF 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_off0000f53b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF53B | 17616 bytes |
SHA-256: 27f0d56cc71f00279843abdf1871ba5eff6b28ab5e6269ea44343da7d338a2c2 |
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font_01_sfnt_off000122fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122FA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013b11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B11 | 10360 bytes |
SHA-256: cab32e40a0ec305508192600c7ccccd906c2bc9e76c6221c0499c3038b6accd2 |
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