MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous external links, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly indicate malicious intent, with the file being identified as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://cructi.ru/uplcv?utm_term=how+to+update+the+android+version PDF link annotation
- http://turningpointdigital.com/cote_dor_import/admin/ckfinder/userfiles/files/78571814737.pdfIn PDF document text
- http://teleinwestor.pl/userfiles/file/99697812124.pdfIn PDF document text
- http://papienbanana.com/user_file/file/44450006819.pdfIn PDF document text
- https://granitabrasive.ro/editor_up/4282940188.pdfIn PDF document text
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/3e0498d1fe7483f2c5b8e0c20d33539f/dopudalaromomakomo.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/ljqn2r40ddhcqup9svl66vrcff/furemogitajurakukenawonax.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613e8d599bd81---davupuzuf.pdfIn PDF document text
- http://www.egavilanes.com/ckfinder/userfiles/files/75820663999.pdfIn PDF document text
- https://upaspor.com/resimler/files/petimopesorakufe.pdfIn PDF document text
- http://muasamhangmy.com/ckfinder/userfiles/files/1647066412.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ea0a13aa00---rixasizemisapora.pdfIn PDF document text
- https://thediamangroup.com/_images/files/serade.pdfIn PDF document text
- http://clinicaveterinariacene.com/userfiles/files/geguwelimuzi.pdfIn PDF document text
- https://mimpishio2.com/contents/files/mujuminotosunebizi.pdfIn PDF document text
- http://cesnek-vysocina.cz/UserFiles/File/63807551884.pdfIn PDF document text
- https://noriupapildu.lt/ckfinder/userfiles/files/nazutakat.pdfIn PDF document text
- http://labuchedeberce.fr/userfiles/file/92473642136.pdfIn PDF document text
- http://www.gabrielamaciel.net/images/content/file/lonug.pdfIn PDF document text
- http://anm-av.de/uploads/files/kejivavababikevanuve.pdfIn PDF document text
- http://ninda.vn/userfiles/files/5351799605.pdfIn PDF document text
- https://avigailpekelman.com/sites/default/files/file/77106182578.pdfIn PDF document text
- http://s13cf5ef.alojamientovirtual.com/ropadefutbolbarata/userfiles/file/tilitividukelur.pdfIn PDF document text
- https://cmf8.ir/data/file/12870324607.pdfIn PDF document text
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/383a338153d019c0232778121053e37d/58610970160.pdfIn PDF document text
- 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_off0000f5c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5C4 | 10684 bytes |
SHA-256: 49ef7130922388dd9a957580e4b15321f5aacb3655d74f4307fcc02265f8acc3 |
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font_01_sfnt_off00010e35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E35 | 17948 bytes |
SHA-256: f1e8645b4e0a52112fff657b558002d9b52c25a4c36d7d2228eb3a481de8094d |
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font_02_sfnt_off00013c86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C86 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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