MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The primary attack pattern involves luring users through a malicious attachment to click on these deceptive links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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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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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://www.sushmitamukherjee.com/fckimages/file/radaduxasawabugikeneziniv.pdf In PDF document text
- https://phuquiland.com/upload/files/77845834457.pdfIn PDF document text
- http://sapientgenerator.ru/files/userfiles/files/27960011611.pdfIn PDF document text
- http://vhktn.at/images/content/files/simawerurenerimixafamas.pdfIn PDF document text
- http://littlepearlspublishing.in/data/eimages/file/46563896779.pdfIn PDF document text
- https://sieuthimaytinhcu.vn/upload/files/96104429661.pdfIn PDF document text
- https://mami-m.com/Uploads/userfiles/files/93484223653.pdfIn PDF document text
- http://akcompany.vn/uploads/userfiles/file/66637604955.pdfIn PDF document text
- http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136e80841dbf---32259483334.pdfIn PDF document text
- http://thevalleytrader.com/files/20385216127.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1612f06fc09e26---96411701916.pdfIn PDF document text
- https://mimpidia2.com/contents/files/53076106995.pdfIn PDF document text
- http://avanti-kuhni.ru/upload/files/godubijeketiwewolanowiku.pdfIn PDF document text
- https://testgit.begurholidays.com/uploads/userfiles/files/todigu.pdfIn PDF document text
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/ee9b88167dd2a6fa50869fa63b255d14/96709364628.pdfIn PDF document text
- http://heldermusic.nl/ckfinder/userfiles/files/67438237351.pdfIn PDF document text
- http://simsoncantho.com/userfiles/file/besokedubonepesego.pdfIn PDF document text
- http://szguilong.com/userfiles/files/50973143520.pdfIn PDF document text
- http://kwiatmetal.pl/userfiles/file/5884577127.pdfIn PDF document text
- http://full814.com/upload/files/15235840294.pdfIn PDF document text
- http://nepodoshlo.kz/ckfinder/userfiles/files/jiwepifunijajesunibuda.pdfIn PDF document text
- http://objets.immoweiss.lu/userfiles/files/49643590415.pdfIn PDF document text
- https://coluer.ir/documents/file/meniremafifafikeganikid.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=mallow+movies+apkPDF link annotation
- 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_off0000e2c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2C1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fad3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAD3 | 18692 bytes |
SHA-256: 22822fc74b27f989681104c040004bb7d34369463381afdacf52761f3284c078 |
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font_02_sfnt_off00012bfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BFD | 10348 bytes |
SHA-256: 1528cae05106ca85516c379cdd633fe2dc2df5052ad003c4202923374ebc6742 |
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