MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF document detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a large number of external URIs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The embedded JavaScript likely facilitates the redirection or exploitation process.
Machine Learning
- Nyx PDF Classifier malicious score 0.9765
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://iamtimeshare.com/userfiles/file/12649381921.pdf
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/9686974d338ffc11df41e43ee0e9fd35/41546993445.pdf
- https://aterhesseg.com/up_image/file/88835249335.pdf
- https://camping-du-lac-dijon.com/fichiers/47938590556.pdf
- http://rlangkhan.com/upload/userfiles/files/mekamawajokimigudexil.pdf
- https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/q611boegh47nelnpqqinf8a9a7/21029615469.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ad5d3836a23---16518249694.pdf
- http://badischer-kunstverein.de/ckfinder/userfiles/files/wetatemogedi.pdf
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607123f048f13---14839522452.pdf
- http://altaprecision.com/userfiles/file/nowofufis.pdf
- http://chiengthai.com/file_media/file_image/file/fidigejakabavedefewapejil.pdf
- https://hiroyoung.com/data/files/luvapazixulopi.pdf
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b462b8e2b6d---bidosig.pdf
- http://innotec-industrie.be/userfiles/file/pesobigimubotewoxage.pdf
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/ka00d8ad7qjrgdondsaraun3r6/melunatukinuxekul.pdf
- http://poltinik.ru/userfiles/file/56199272479.pdf
- http://gunjanjain.com/app/webroot/js/uploads/files/72229296250.pdf
- http://indyskischool.com/ckfinder/userfiles/files/28547409470.pdf
- http://chip-chup.hu/upload/file/47490052550.pdf
- https://goez1.com/10005001208290177/ckfinder/userfiles/files/xejijuguvebomiz.pdf
- http://glovimex.com/uploads/ckfinder/files/jopokuge.pdf
- http://grandchainfamilyfoundation.org/clients/85333/File/6844102172.pdf
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/4e1473deda1f7f2c71717e82a7b7a7ea/lesur.pdf
- https://campermagazine.tv/public/file/buriniwutalatenakikibik.pdf
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611a7adfc78ff---julik.pdf
- http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/laranozofafuvop.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=como+se+hace+hipervinculo+en+power+point
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_003_off0000eb84.bin11cd2828ecdf06bdb7a658e4e07810f345364ad3e9a13454351c429634fa2525 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xEB84 | 19056 bytes |
font_00_sfnt_off0000d373.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD373 | 16792 bytes |
font_02_sfnt_off00010a6a.bin3cfe7fa31a21010b1e77ce8204464adc7857b5285eb135389dce99251738f6e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A6A | 17040 bytes |
font_03_sfnt_off0001352f.bin725670fb2f487c9e6dbe45b9ce2bd9a1c8e9526b2bccfe1fee3cc6770b783f74 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1352F | 10920 bytes |
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