MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with many URLs pointing to compromised CMS upload directories. The primary lure appears to be a link related to downloading 'deltarune for android', suggesting a social engineering tactic to trick users into downloading potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c11230bf7e5---gidutidizadakiwu.pdf In PDF document text
- http://funperm.ru/content/file/kafovelasugewoviz.pdfIn PDF document text
- https://robertbah.si/files/file/78536080074.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/5f23370ff4676d1ca585bd91bed775d6/64449448966.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/37bb79b597c73473f07f3b2f4c802d3b/tojib.pdfIn PDF document text
- https://vishalahospitality.com/ckfinder/userfiles/files/datez.pdfIn PDF document text
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160865417277b9---25051439196.pdfIn PDF document text
- https://agentcctv.com/userfiles/file/zorowotibiweje.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160aad634de7f6---kogobupanif.pdfIn PDF document text
- http://megat.pl/uploaded/fck_files/file/35604191016.pdfIn PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5cb1e1334e---zofanasawevuwezatumiwama.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160853e513ce53---43302059651.pdfIn PDF document text
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/3129ef59d7479089506bd08ab73656ea/warome.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/c976bd602ea7e9b98762d416c6c500d7/dakujitaridovupotodisivak.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/b1ec164033e96456706ebdc52eeab825/7747227711.pdfIn PDF document text
- http://mopron.ru/upload/files/67992747719.pdfIn PDF document text
- http://www.bandungmesin.com/file/32686799511.pdfIn PDF document text
- http://hysansam.com/fckeditor/userfiles/image/simasiluwekugajukisigibo.pdfIn PDF document text
- http://dabaizhongxue.com/upload_fck/file/2021-6-12/20210612144226689153.pdfIn PDF document text
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/0fie25ce02e8ne4qfbc2lvoeq6/58952622119.pdfIn PDF document text
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/d4cec6e3443e569079a5b8e12b04153b/damugolevepiwivafelefer.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607f2b40e4428---bakofowazogurixavutezulus.pdfIn PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/3bq9rlm52ve119qb27n4t08qn3/suxawasokixa.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608b01b7c1f32---1412182415.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=download+deltarune+for+androidPDF 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_off0000f879.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF879 | 10364 bytes |
SHA-256: d8f38d3eb087f43dba77c02601a996a45bfb08aed82321d7aeffa102e44cbfa0 |
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font_01_sfnt_off00011003.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11003 | 16580 bytes |
SHA-256: 436751b82993b7abd859e5130d35531fbb3c86442548ecdf70acd8d01cb2d835 |
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font_02_sfnt_off00013afb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AFB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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