MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting a phishing or malware distribution scheme. The embedded URLs, such as 'https://chcial.ru/uplcv?utm_term=miami+valley+south+hospital+map', are likely used to redirect victims to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9806
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://chcial.ru/uplcv?utm_term=miami+valley+south+hospital+map PDF link annotation
- http://bawaconstructions.com/editorData/file/10023670647.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/f1hripaaem5iu6f4m5ern8g3m2/buvipokuwubu.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/58jtkuh7inqrk7pqo10vgv68d2/749057281.pdfIn PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/4f3b1e06163b170fb5f08cea99688755/55695914659.pdfIn PDF document text
- https://aslimitada.com/userfiles/file/30402955678.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160c35f64f080d---toduxidalekufojamuki.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4vg2fta3ke2ot2d0mcgp2l6bt0/44049973787.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160986f99c3068---28295136367.pdfIn PDF document text
- https://sportcity.bg/webroot/img/content/files/walegepikufixer.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16080d511adc6f---jipopenisugabenorerom.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/7289018817.pdfIn PDF document text
- https://alatheir.com/atheirwsfiles/file/domoxivagepixiwabubasiluw.pdfIn PDF document text
- http://ned.ru/uploads/files/munifiwipuwosexikije.pdfIn PDF document text
- http://morethancars.nl/uploads/edytor/file/25798729442.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1851611b08---46201367768.pdfIn PDF document text
- https://giolog.biz/images/bulk_images/files/45409997993.pdfIn PDF document text
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/c25a622c7f23acc520557b1af072dc38/65515916687.pdfIn PDF document text
- http://www.ks-zahnarztpraxis.de/upload/files/52762601773.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/ba04b010cd0730f10eb695d9c71e9216/ravewoza.pdfIn PDF document text
- https://daaeportrett.no/upload/file/melovakubexidukorugimisan.pdfIn PDF document text
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/gid6g0kqruddetck9cg9dk9kl1/wumewekolimedag.pdfIn PDF document text
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607b5318b0ab7---bibudukogigatujefiki.pdfIn PDF document text
- https://skinrepublic.vn/webroot/img/files/juzezumupopufif.pdfIn PDF document text
- http://nfrostov.ru/upload/files/diwebenofogo.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1608d163444c29---18876705363.pdfIn PDF document text
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/a3dbbe42428434a45f37a59553e162df/51722794724.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/k90alddho04fg48eota8covmv3/zilarit.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_off00010aa4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AA4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000122b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122B6 | 17772 bytes |
SHA-256: 6ce08cf582fba335a95e79691a2b6ae366f4371510dbb59b5e2a90d15579694d |
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font_02_sfnt_off000150fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x150FE | 10588 bytes |
SHA-256: 59b0c95b841bc32b1b9f281b2d0a2515d3be6bcba081effa61392254e9f84aae |
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