MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm hosted on potentially compromised or disposable domains, designed to redirect users to other malicious sites. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/dta9d4ph5oaqcjcmv740d4fdqc/15374987276.pdf In PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/6cca5fee1ee7611c64e4375f5e750f71/fekaxoruzuf.pdfIn PDF document text
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606ced788cea2---semuxamus.pdfIn PDF document text
- https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/kijewewozewiba.pdfIn PDF document text
- http://sl1971.com/clients/5/51/517263f0417f9379c67e6eba0e0bdfe8/File/6156185974.pdfIn PDF document text
- https://hotel-la-licorne.fr/userfiles/file/wurelifozude.pdfIn PDF document text
- http://anhuicrew.com/upload_fck/file/2021-7-27/20210727232903391020.pdfIn PDF document text
- https://mk-sito.it/uploads/file/93828571842.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16078710102e00---2953771442.pdfIn PDF document text
- http://orderkai.com/uploads/files/37709752525.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/f451b51daaa8ba43bab3c91ed112ebd3/zixukatij.pdfIn PDF document text
- http://www.ez4parcel.net/upfile/files/2021/07/14/71375647922.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091a0ff1efe7---datixil.pdfIn PDF document text
- http://sotel-perm.ru/site/file/15320243427.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cabe167037---48414945248.pdfIn PDF document text
- http://studiomalpocher.it/userfiles/files/18865576101.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/fcb4079ccad3bb2258befc22bd27b64c/77822398320.pdfIn PDF document text
- http://theettiaresottawa.ca/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/lamoxiluzirapunovajesari.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3b166e3f81---nanuzawonaxafivatubifur.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af994cb502a---533753497.pdfIn PDF document text
- https://mecaniquekd.ca/upload/file/8174879411.pdfIn PDF document text
- http://sushikyototogo.com/uploads/files/xeferuzimojabezitofuxap.pdfIn PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/d98ca4d2e388d20a9f3fb8c21db84486/43081999075.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160b2b34e2cb02---20037468996.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8513b0835---98262297043.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+take+care+of+blackstone+grillPDF 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_off00010cec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CEC | 17452 bytes |
SHA-256: c5dfbfd12f89099197b48bcbc324ba4a127fb5446f5293acdb3c7a4608a2edd6 |
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font_01_sfnt_off00013aa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AA1 | 10820 bytes |
SHA-256: a2e4c8597f06b4775385e599d2cc822c16aea0d8e1e0a28659a5e99977a19172 |
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font_02_sfnt_off000153c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x153C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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