MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document is detected as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution attempt. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm used to redirect users to malicious content. The document body, though heavily obfuscated, appears to be a lure related to a 'fume hood manual'. No scripts were extracted, but the presence of external links and the overall detection profile strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://cameralehiep.com/hinhanh_fckeditor/file/lowimarewimugukuwajara.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/i3bejfupvta8mjr3vj838kvhe4/numugugidurorajawupewup.pdf
- https://www.proctoloji.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb866805c6---xuxaxofipefigukuma.pdf
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/015a2011de4548ffba6939cd154bf75a/safagetezelavewenu.pdf
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/2cbbc32d11de580fb39b9fab79b6fb43/bozomumo.pdf
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609c73ae20185---41491781375.pdf
- https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/3e60faf7233e55ce70030a6609fc4228/90981776558.pdf
- http://vom-ragnaroek.de/uploads/file/gakesemubotufaf.pdf
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/tp1ae4rc0vik3h3bl3pl6q2a85/75505566100.pdf
- http://mariamozharova.ru/uploads/files/94055116885.pdf
- http://goldcoil.com/uploadfiles/files/95570545828.pdf
- http://johnsonsdynastyincfamilyassociation.com/clients/10108/File/59708344238.pdf
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/62f9fd47a12950d7ea8cd791f290af54/48119242166.pdf
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cafca37780---jafaxitiposozaxux.pdf
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/o13jdshlc07lckcosk0kauvoaa/mikitidasinomubukovomu.pdf
- https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/27ba32266f3b4260d8fada14b64611be/leliwafonolasipaxazugoduv.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=kotterman+fume+hood+manual
- 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://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d1d0.bin4cea3a77d5c567ffdaaafff1b180605189bb3eaf8d4a911ca2f39c777f39ad5f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1D0 | 4772 bytes |
font_01_sfnt_off0000e1d3.binbdcc4aa93072b1a59c62e6ce5cf2b1325815683766735586adae57d7f485ad70 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1D3 | 12300 bytes |
font_02_sfnt_off0001098d.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1098D | 4324 bytes |
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