MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users. The presence of external URI heuristics and the ML_NYX_PDF_MALICIOUS firing strongly support a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135a96e41008---menuduzinowezel.pdf
- https://mimpishio1bet.net/contents/files/tofevomonivinibopo.pdf
- http://aroma-es.red/yamituki-n/uploads/files/57944517347.pdf
- https://villatoscana-pi.it/userfiles/file/76789300487.pdf
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130284d81a9d---88717874317.pdf
- https://myclubowners.com/userfiles/files/setulofudiza.pdf
- http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/76678854282.pdf
- http://ap116.ru/userfiles/file/38679234724.pdf
- http://sinosteelcode.com/filespath/files/20210911105412.pdf
- http://studiolorenzoni.eu/userfiles/files/dimomu.pdf
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613173c77c111---powalevezifamivawasonog.pdf
- http://alfatreyd-mebel.ru/archive/images/file/sagutamakij.pdf
- http://aurora-c.jp/files/files/69888956783.pdf
- http://studiopetrilli.it/userfiles/files/fakozi.pdf
- http://statsale.com/data/upload/ck/files/72694609047.pdf
- http://www.jucadent.es/ckfinder/userfiles/files/wefiwigevedozilejezifabi.pdf
- http://morebricks.com/ckfinder/userfiles/files/dobimusaruv.pdf
- http://pro-group.ru/userfiles/files/rekovuw.pdf
- https://www.koreayokogawa.com/ckfinder/userfiles/files/padedenuv.pdf
- http://saveondealz.com/ckeditor/ckfinder/core/connector/php/uploads/files/razis.pdf
- http://adice-area.com/pictures/files/97281138455.pdf
- http://netichikawaya.com/userfiles/file/bomemisulasipid.pdf
- http://kezheng.net/Upload/file/40251171052.pdf
- http://pomodorolennep.de/gfx/userfiles/files/34329334680.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=god+of+war+android+download+ppsspp
- 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_off0000dd21.bin2acf96aabe1b6f06ee1cb3237a703709013ca056849d20903b6e885b63c3f3a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD21 | 18484 bytes |
font_01_sfnt_off00010c9e.bin42a02b1591f55922cb5c38a4a0334ace63109fb530a2c7d0ff99f8c8f18739aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C9E | 10388 bytes |
font_02_sfnt_off00012440.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12440 | 16792 bytes |
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