MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and the ML classifier also indicated maliciousness. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or are part of a link farm on disposable hosting. These URLs are likely intended to redirect users to malicious sites for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://blfimmobiliare.com/userfiles/files/87573590441.pdf
- http://windowsplusllc.com/ckfinder/userfiles/files/befemilovijevo.pdf
- https://guijek.com/userfiles/file/13958912911.pdf
- http://windowsplusllc.com/ckfinder/userfiles/files/86124935971.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5b9bc67bf---fubudaxur.pdf
- http://tranhdaquydep.vn/upload/files/12026017165.pdf
- http://affordableadobe.com/ckfinder/userfiles/files/xaporofituzaxedorujuzer.pdf
- https://ispartaorganizasyon.com/ckfinder/upload/files/vuzisug.pdf
- http://nenkin-t.com/upload_img/ck/files/mufipugifit.pdf
- https://jeevandeepspecialcare.com/ckeditor/ckfinder/userfiles/files/69761762623.pdf
- https://houstoncoinshow.org/FCKeditor/file/68575756160.pdf
- https://kfk-dekoration.dk/images/uploadedimages/file/84938244711.pdf
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/4b878c03072ae135b4fbe76dd307a004/pudud.pdf
- http://kd-council.com/upfile/files/fiselizoxi.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613f7797b36f2---zozevawok.pdf
- https://copperscrap.wasteequipment.net/ckfinder/userfiles/files/32560592617.pdf
- http://greatwalledmond.com/ckfinder/userfiles/files/85560733704.pdf
- https://multimetrics.com/ckfinder/userfiles/files/51973867074.pdf
- https://justforjetscatering.com/userfiles/image/files/kevasanimosevir.pdf
- https://tranthachcaodanang.com/uploads/image/files/2628747347.pdf
- http://membranekeyboard.pl/_data/file/sagilivowenexaki.pdf
- http://irodaszer.lukinserv.hu/file/94305925036.pdf
- http://soles2walk.cz/data/file/vekuvogelazikojoxegu.pdf
- http://bumsnab.ru/uploads/files/xuzarevevuxagogimi.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=videoshow+enjoymobi+video+editor+%26+video+maker+inc+country
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f8dd.binf511cf13a9a97a7124cb040e0155cdb9d0b20da670136b37ef8218480dcb8f40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8DD | 10812 bytes |
font_01_sfnt_off00011195.binec379c6fc2f337b4d0a1016dc08939ec329c4dcb8464ccb530c542aceb1cbc56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11195 | 18664 bytes |
font_02_sfnt_off00014250.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14250 | 16792 bytes |
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