MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised WordPress upload storage, suggesting a phishing or malware distribution attempt. The embedded URLs, such as http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/16090b95473c31---81646863000.pdf, are likely used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/9897ac9db0f5a174fd4d7ecd00e4ac73/43663828357.pdf In PDF document text
- http://podiummoda.ru/userfiles/file/75353695747.pdfIn PDF document text
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/u0isgv8cv6nvo1i179374tan7g/totusikevibez.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609ba4a3ac388---sutojaz.pdfIn PDF document text
- http://teplospectr.ru/images/files/pukuxanowi.pdfIn PDF document text
- https://protechlighting.com/wp-content/plugins/super-forms/uploads/php/files/c3946f2d18ec0be5995d128a21edc789/wuvod.pdfIn PDF document text
- http://freetourscadiz.com//ckfinder/userfiles/files/95235438355.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609ac9519a28d---padanazaben.pdfIn PDF document text
- http://chnli.tw/CKEdit/upload/files/lobumomakimuveze.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160828b7e2abf2---36597005029.pdfIn PDF document text
- http://ampletrekking.com/userfiles/file/80901527837.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a825138ef44---21811506300.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/3462d27e188e5e0473def4d0fd4e56d2/rumugerukoto.pdfIn PDF document text
- http://howsonfamilyreunion.com/clients/5/57/57b8fe7d350e782a16e6afc8bdcd6467/File/goxufapevowod.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/4ailvb66afbkv60ar7slpoips3/32487275443.pdfIn PDF document text
- http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb46233303---xosazipezewefuvarita.pdfIn PDF document text
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/e7eca4af35623be76884dac37661ad7b/11904613473.pdfIn PDF document text
- http://www.lugashotel.com/data/editorfile/bowab.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/16090b95473c31---81646863000.pdfIn PDF document text
- http://mariamozharova.ru/uploads/files/rodifapuv.pdfIn PDF document text
- http://beloezoloto.ru/userfiles/file/53572708464.pdfIn PDF document text
- http://laclonghotel.vn/upload/files/vafisemaworonimejokipefo.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606feca23562d---84226702236.pdfIn PDF document text
- http://hrdiborice.cz/erucom1/files/files/75715604056.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/qk3t211e8c7niucejqvgiflung/fewobapobakewe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=auto+click+android+6.0+1+no+rootPDF 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_off0000e43a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE43A | 20584 bytes |
SHA-256: 8af08f86a8df24ed9985e0075a86e4ae63d08332bc2cc84ee59d12c212bf3b39 |
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font_01_sfnt_off0001177b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1177B | 10644 bytes |
SHA-256: 4f0094b28a62d44529c082ca2f71721642c2bc10842fbe8900358fad9d56f587 |
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font_02_sfnt_off00013003.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13003 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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