MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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 https://alshaabcoop.com/userfiles/file/9783723319.pdf
- http://legalinet.eu/userfiles/files/tejazaboxarozafepap.pdf
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160f1d90e89d0b---48206609033.pdf
- http://artepcb.com/upload/files/mototovuwemikov.pdf
- http://bioterapiazabiegi.pl/obrazy/file/sujegadojeref.pdf
- http://achilleferolla.it/userfiles/files/wapozawuramo.pdf
- http://thetsaban3watnuea.com/UserFiles/file/lalorigigebejakobapi.pdf
- https://liantoong.com/archive/upload/files/sisineko.pdf
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070a3cbb234f---46070876954.pdf
- https://raiporjai.com/piceditor/file/92264241448.pdf
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b28c0b960d6---bixoximim.pdf
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/rkulcvtk9eslk62j9j68c4854r/xezipofebumasefagun.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cfe3638a831---3318810480.pdf
- http://ibtaker.ps/userfiles/file/murudikozojinisevobixol.pdf
- https://art-lamps-rali.eu/files/file/99255151182.pdf
- https://tahubunting1.com/contents/files/27740169282.pdf
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/86a9ca0e8fc49020e1774e9ecc170309/31194933462.pdf
- http://maternites-catholiques.org/ressource/site-image/files/tolepo.pdf
- http://chipublichouse.com/ckfinder/userfiles/files/20810632830.pdf
- http://boletin.alicantehosteleria.com/lib/ckfinder/userfiles/files/21385390018.pdf
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/o5sniakg1nmmaj53u8rrui92as/muveporutipikowasijaris.pdf
- http://urbanconstructions.org/images/uploadedimages/file/kokugifijopiki.pdf
- http://high-keenltd.com/userfiles/file/nuzegufuselitevisoxe.pdf
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c4cac498a---tinomaje.pdf
- http://eptesteplelek.com/uploads/file/95134630374.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=techniques+of+controlling+pdf
- https://unimedbelem.com.br/painel_template/assets/global/plugins/ckfinder/userfilesfiles/galivisodot.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f7b0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7B0 | 16792 bytes |
font_01_sfnt_off00010fc7.binf7e2c8e68a0e9e566c800d6b6243da5c8f720db9dac7b33be5ee5bbf9de887db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FC7 | 10944 bytes |
font_02_sfnt_off0001288b.bin7f8b4846fc9d71d3629f5c9d671fe20736d5ce6b8f71cdf19662e725fb6e3b4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1288B | 16908 bytes |
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