MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains numerous external links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness. The presence of embedded URLs and the nature of the heuristics point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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://allytemp.ru/uplcv?utm_term=standard+affidavit+form+south+africa PDF link annotation
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/bd71add3ad1a78f07270f49c619a6095/11230079864.pdfIn PDF document text
- https://rainbowfurnitures.com/files/files/xevesar.pdfIn PDF document text
- http://malopolskiszlakwinny.pl/upload/File/98495887821.pdfIn PDF document text
- https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/e0ef49f1c52e99024e0b9a607b1e96a9/33860508474.pdfIn PDF document text
- http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/96343765676.pdfIn PDF document text
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/93357cc10ffb0653ec500f6e7154413e/vutuja.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/26028b6bd407b7566ec2ad021f658db5/19554990082.pdfIn PDF document text
- http://espokebar.com/uploads/files/mujutidujafojefe.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e09573e2efd---19001116124.pdfIn PDF document text
- http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160760dbcbce49---76928427721.pdfIn PDF document text
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/b320f4a352af23f48b97e3c0888175f4/45396512263.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b65ec362cdd---ledavop.pdfIn PDF document text
- http://55pluscommunityspecialist.com/userfiles/files/kigatufomizoxemugude.pdfIn PDF document text
- https://ei-hotel.com/free_images/files/remoxemudov.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160730855a1856---viwojave.pdfIn PDF document text
- http://bocghebinhduong.com/media/ftp/file/66981398333.pdfIn PDF document text
- http://beloit1962.com/clients/8/83/8368a4f838dea3176655029ae9e337da/File/rotake.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160cefb011753f---96072084604.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8e765dca59---xedubosinuxakowamefopevi.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/a6242c23e1f9f9eb9ea9ac3a728a69f7/worosipugudunutofazu.pdfIn PDF document text
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607802c0c46c7---69812705393.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/558d3683dbd7fcdb05d6ed056a6a27bb/pabenut.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f02f8a9da3---xogikitejomigitupefu.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608fc2293ffaf---forefinafadelafukenul.pdfIn PDF document text
- http://anhhieu.vn/hinhanh/file/10818437105.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_off0000e543.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE543 | 17440 bytes |
SHA-256: c7b16e3d0a1adc9d202b3d742b69c05be7933c3093d1b5cfb129da40ed4f6f51 |
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font_01_sfnt_off000112da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112DA | 10804 bytes |
SHA-256: d307e2bd16952de940c9c035183cd0c5a4154a442a7dfa8b8c7ca40dbf4d9efc |
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font_02_sfnt_off00012b93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B93 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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