MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Numerous heuristics indicate the presence of a link farm, with many URIs pointing to compromised CMS uploads or disposable hosting. The document body is unreadable, but the heuristics strongly suggest a phishing or spam campaign designed to lure users to malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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=fabby+apk+download PDF link annotation
- http://jngf.cn/files/file/1789459434.pdfIn PDF document text
- http://jun-travel.com/userfiles/file/65331963522.pdfIn PDF document text
- http://artepcb.com/upload/files/notezulesikoki.pdfIn PDF document text
- https://colegiumaniucarei.ro/ckfinder/userfiles/files/16948069301.pdfIn PDF document text
- http://ecole.ru/text/images/file/5935451499.pdfIn PDF document text
- http://longvu.vn/Images_upload/files/zaboxe.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc3c29d9f8---673929944.pdfIn PDF document text
- https://fzclicks.com/demo/files/editor/file/lumilopilad.pdfIn PDF document text
- http://bbpcosmetics.com/admin/upFiles/2021-9/file/56110592799.pdfIn PDF document text
- http://paradisoseminatrici.it/userfiles/files/14576888110.pdfIn PDF document text
- http://studiosiciliani.eu/userfiles/files/muxijorovaderitidizivo.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc10943610---9121490634.pdfPDF link annotation
- https://toliveinchristjesus.ceosale.catholic.edu.au/application/third_party/ckfinder/userfiles/files/11678726801.pdfIn PDF document text
- http://kaupa.cz/userfiles/file/68258569030.pdfIn PDF document text
- http://theaterbuehne-schwandorf.de/userfiles/file/bavivenufonoda.pdfIn PDF document text
- https://alrashed-alsaleh.com/userfiles/files/95357135132.pdfIn PDF document text
- http://studioagm.it/userfiles/files/zexiruwixosoluj.pdfIn PDF document text
- http://physio-praxismitte.de/userfiles/lejunanewevuti.pdfIn PDF document text
- http://canigrup.com/userfiles/file/kezisiwobojimuvisilafefes.pdfIn PDF document text
- http://restokrat.info/userfiles/file/74714340825.pdfIn PDF document text
- https://i-intelli.com/ckfinder/userfiles/files/davexugawavimi.pdfIn PDF document text
- http://placidlakes.com/larpm/uploads/file/85981346523.pdfIn PDF document text
- https://www.edm-medical.net/ckfinder/userfiles/files/59011543553.pdfIn PDF document text
- https://gabconstruction.com/ckfinder/userfiles/files/44577515266.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614112e7b7dd5---fawex.pdfIn PDF document text
- https://emprenderem.cl/files/22942916594.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/nhrc8m6kbg38ffeih8bd41t1cd/32219162822.pdfIn PDF document text
- https://momsgardenfoods.com/ckfinder/userfiles/files/1550798757.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_off0000e03d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE03D | 10204 bytes |
SHA-256: 1f97070c400cf74fdbc511c8ab85f705dd416b32ef16b25596f81198603b7a29 |
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font_01_sfnt_off0000f6f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6F7 | 18572 bytes |
SHA-256: 76ad8d23d249cf77c89033a3daa42fbf794a56c8324bfe13f080d673598e3d73 |
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font_02_sfnt_off00012780.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12780 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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