MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, with numerous embedded URLs pointing to compromised websites, likely to lure users into downloading further malicious content. The document body is unreadable, but the heuristic firings strongly suggest a malicious intent related to URL redirection and hosting of malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://crewmak.ru/uplcv?utm_term=telcordia+sr-332+issue+3+pdf PDF link annotation
- https://samngaimarble.com/html_upload/file/76192070657.pdfIn PDF document text
- http://hoangnamjsc.com/upload/files/lunojerobevasizerofusoku.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/c198li33fu29r34b3k2g1ucgl0/bejinoneka.pdfIn PDF document text
- http://ekonopuntos.com/campannas/file/21317072409.pdfIn PDF document text
- http://sequirk.ie/userfiles/file/kekonudofavatederoduzipux.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b301e76cdda---lameza.pdfIn PDF document text
- http://shhs69reunions.com/clients/e/e9/e92da0bc0099326815942f81a5c18dfc/File/jorafosupimovawixurabo.pdfIn PDF document text
- https://schmitz.cz/res/file/jobefeboloxitabogara.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607b5b5e71fca---gudowagipekuroxepem.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c36c8fc6286---72181731028.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5b75440755---gugemezamorezaripazisujo.pdfIn PDF document text
- https://yssnewlessons.org/UserFilesTwo/file/xusutidazix.pdfIn PDF document text
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/1d198abbb06de94f71129868eb11af62/25363473030.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e128369f36---lulixufujubiparazonivak.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/02e222c1889995321eb4faa13d455071/37002561539.pdfIn PDF document text
- http://hyperasp.net/userfiles/file/bofinumatof.pdfIn PDF document text
- http://jorakaygame.com/ckfinder/userfiles/files/dewedajegapetidik.pdfIn PDF document text
- http://akhsmombasa.com/clients/861898/File/17256081212.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160dd82511b0e3---zitikijisiwab.pdfIn PDF document text
- https://egyiksem.hu/uploads/file/danefafotasipilidowo.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606eb05ceebb3---wikez.pdfIn PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/qu1vpe41qb25pf258vqq874460/34790505396.pdfIn PDF document text
- https://jamurgoreng.net/contents//files/lefekerezigepuzad.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc635717df9---23185276676.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_off0000f1af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000109c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109C6 | 10800 bytes |
SHA-256: 83523031de491c48083c67581ae84884934f9167a1dd1f780c4ba5a6b73cca85 |
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font_02_sfnt_off000122df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122DF | 16876 bytes |
SHA-256: 0f1fc23458725fb91d0c8d2631f65eed8b2fa787d7d1b666c4fa67b0e3e309fb |
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