MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting it functions as a link farm to distribute malicious content. The embedded URLs and the heuristic firings strongly indicate an attempt to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
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 http://xn--72c7caerxx0d3a9eve.com/UserFiles/File/bitimitimosovivinat.pdf In PDF document text
- http://jcon-aps.dk/userfiles/file/rigikadodijitorinowamodor.pdfIn PDF document text
- http://asupuro.com/user_data/image//file/betugujiv.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a0411f68d66---kikapisegupuroge.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160920b6e461d3---xukuvuxoraruganu.pdfIn PDF document text
- http://burfel.ru/upfiles/files/tuwanajalitidozodujigaloj.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/iho53egmfa79hfpmgfsmbklm2n/53269033524.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160929cf245b4b---28011253683.pdfIn PDF document text
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/8853u446pco7vjrgadmveukou5/gifelobegoxasexik.pdfIn PDF document text
- http://md-servicios.com/userfiles/file/negesobadovabusoxajuteweb.pdfIn PDF document text
- https://kp-bs.ru/upload/files/biwowawojutatumigizizuvav.pdfIn PDF document text
- https://emmaushuis.org/pages/momifajeluxo.pdfIn PDF document text
- http://stigstudiotecnico.it/userfiles/files/lawagezudupewelar.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-4-29/20210429012017292719.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2c16c8577b---nalowibijifabino.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/970374b308320089e9b2d692ec391865/xedisebalobik.pdfIn PDF document text
- https://sce.tw/uploads/files/60d1c5f9020d1.pdfIn PDF document text
- http://helloslow.com/data/userfiles/files/43691717281.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afed43bd67e---74590089178.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16070bab4e2488---16919863213.pdfIn PDF document text
- https://www.epicbrands.co/wp-content/plugins/super-forms/uploads/php/files/ab250216ec2aa2df1590117b4a94edeb/jakabafowumuwebebamutu.pdfIn PDF document text
- http://sanitaerprofi.ch/fckeditor/editor/images/file/82854450575.pdfIn PDF document text
- https://widepolymers.com/userfiles/file/tupog.pdfIn PDF document text
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607052c961e6a---zimodovopalumesodatadasid.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1608b69df99dcd---57187467396.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=free+video+editing+software+for+pcPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off0001205e.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x1205E | 18608 bytes |
SHA-256: 404c83bf202fcec963e547d85658eda9b1b57790a79fb687b88847739bb18a56 |
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font_00_sfnt_off0000ef26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF26 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001073d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1073D | 10880 bytes |
SHA-256: 4621f162b582d00abc7cf9b417cfb97b964932bd3379e37453a7c85b4aaced45 |
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font_03_sfnt_off00013df9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DF9 | 16300 bytes |
SHA-256: 41fb095e574c3f8659b61c64b123bc0e784d89b6738b4cfd7215359e8d7e9771 |
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