MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://crewmak.ru/uplcv?utm_term=herman+bavinck+our+reasonable+faith+pdf PDF link annotation
- http://hcstonetw.com/uploads/files/202109020005099268.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/1f866bed959d64e1e4de5a929dc4bca1/14828696496.pdfIn PDF document text
- http://www.colormotion.cz/UserFiles/file/78190599944.pdfIn PDF document text
- http://hanifeugur.com/image/files/pozaro.pdfIn PDF document text
- https://pametnidom.hr/pametne_kuce/userfiles/file/komesijakufabosinetekuxax.pdfIn PDF document text
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/pj6pghm5rghs87cg2tr11f2hpl/jonezumowuliziratojukopol.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c11bb340c3a---70534612299.pdfIn PDF document text
- http://519pf.com/userfiles/files/xigesog.pdfIn PDF document text
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/65015bbfb619393f72e8ed66f18caddc/lemagejeruxopetamepaxodig.pdfIn PDF document text
- https://beldaoyun.com/calisma2/files/uploads/wolubixarejepuvolikukiki.pdfIn PDF document text
- http://shs1977reunion.com/clients/41590/File/9534469307.pdfIn PDF document text
- http://tentimesneedlehill.com/UPFILE/userfiles/files/22667766894.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3f34aad09d---fexeg.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b20671408f---30389766576.pdfIn PDF document text
- https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/678ab2519532bf23cc1496edb638f1a8/rexaliburapogefuvemerek.pdfIn PDF document text
- https://ascinfratech.com/clientprojects/trading/file/1778622418.pdfIn PDF document text
- http://traiteur-ribot.fr/userfiles/file/4672615615.pdfIn PDF document text
- http://mnwebdesign.dk/userfiles/file/6307337787.pdfIn PDF document text
- https://doucetplasticsurgery.com/ckfinder/userfiles/files/18565358155.pdfIn PDF document text
- http://tiwtactic.com/userfiles/files/39507876738.pdfIn PDF document text
- http://kubabus.cz/novy-web/upload/file/45964743962.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160964899b8323---xojumikiwo.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_off0000caab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAAB | 11276 bytes |
SHA-256: adbbac2214a5d1589d1cc3d3fda7a3e784dd9ea88f8816d94895b7eb8e61357d |
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font_01_sfnt_off0000e4b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4B1 | 17440 bytes |
SHA-256: dbca31aa3d187eed7f341ee340326ff5b2c6c1820b7d2710a14dcbd29d1ad3e0 |
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font_02_sfnt_off000111f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111F6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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