MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many of which point to compromised WordPress upload directories or are hosted on disposable domains, suggesting a phishing or spamming operation. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9682
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://allgeology.ru/ckfinder/userfiles/files/girejijopefupikumexag.pdf
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed5b91ddc9---sorajarafaxe.pdf
- http://www.aluvascientific.com/UserFiles/file/dijaritapuxuximavasijopuk.pdf
- http://skolicka.eu/foto/images/file/64625827555.pdf
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/6p5259r4utsgcib2fh33veus6s/liduvi.pdf
- http://amuseonline.com/absite/userfiles/file/65866971143.pdf
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b2d2c85a224---vosukenomef.pdf
- https://activepymes.com/pub/file/4345586279.pdf
- https://www.stjohnhomelessshelter.org/wp-content/plugins/super-forms/uploads/php/files/dedbd345aaa925ed8e194d345aa061c7/1960861342.pdf
- http://barcelonasixtytwo.com/userfiles/file/waluxajawegakasifirivan.pdf
- https://fasaac.org/temp//files/nifiti.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/dc810c3552672e6068da6a2ac7a809d1/52642676971.pdf
- http://au-coeur-du-temps.com/userfiles/file/wawof.pdf
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16097e4e87c0bc---1914871293.pdf
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aabacee8409---61433522199.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/523b90b60fa06de303d6a511131f952e/50415747840.pdf
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/mqa2o78352t17r87adia34bqme/38097488652.pdf
- http://getem.eu/files/file/loguweditoburobifavokakub.pdf
- https://www.explosivo.gr/wp-content/plugins/super-forms/uploads/php/files/99ca91d5459e90b5091f388243399c63/nugorug.pdf
- https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/j9ruef2b2v9toej8j16od9l9tb/4438249271.pdf
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1606f606de2554---nuxegafopigiwomuraxutigaj.pdf
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c9e90474d05---jopesipezadeboloraduv.pdf
- https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/de4daa537aa1b3416ca04b2dae67be79/papolakurel.pdf
- https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/443b00aa7393470ef0e7d7ed00087f4b/wavakajoxuzaz.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075cfa224ee9---gejuwisigalejikutijokijas.pdf
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160925835f31a6---nobawi.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=english+questions+and+answers+for+bank+exams
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001141f.binfab4b239d9569b9af4a2a9b04bbe8ef2e02125765c6230799e41c240a3751ef9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1141F | 11448 bytes |
font_01_sfnt_off00012e82.bin2180af6d880f3b3ec261c34fc82bd63ebd99c16ed3274d0cf144b82658a8e4c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E82 | 17228 bytes |
font_02_sfnt_off00015b58.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B58 | 16792 bytes |
font_03_sfnt_off00017369.bin9d5144547e0b729630886a3ad3ce48e7da84b0115899dd9c2390406af6f0fecd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17369 | 16092 bytes |
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