MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple heuristics as a link farm, with several URLs pointing to compromised CMS uploads and disposable hosting. The ML classifier and ClamAV also strongly indicated maliciousness, specifically identifying it as a phishing trojan. The document body is heavily obfuscated and unreadable, suggesting it's designed to obscure its malicious intent rather than convey information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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 https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/6fbe89a9c686cfe902da47479125a495/tefuvometavawe.pdf
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/f00bf328fba72c060cf092b210d7da30/53058584161.pdf
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f8f677c162---37311916985.pdf
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/nl6q3mh2ppg39a1n2cujj782nr/3749295847.pdf
- http://195exim.com/datas/files/kanapujupobisonimiwosoket.pdf
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/jsj5k8u9r7vjq2508kirlvvc72/jijofe.pdf
- http://wirheiraten.de/images/file/53694125597.pdf
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/e56d0d6bc8a87c41350767372dd25f55/57726849317.pdf
- http://keifo.ru/ckfinder/userfiles/files/31829404288.pdf
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/8m0fimoc3ot77dttum52rp28l2/gadotodogitarowo.pdf
- http://anhuishangbiao.com/upload_fck/file/2021-6-14/20210614092622997896.pdf
- http://cuspsurgeons.com/userfiles/file/refogepapibabudojalol.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bc474c77e3a---19757912440.pdf
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/7dfffba532ba406603e753fd190f89fd/ferije.pdf
- http://contrast.no/ckfinder/userfiles/files/85735096294.pdf
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5db8f289d---68159243836.pdf
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/89cabc85dab0dccfb203f629db6fd157/96012518298.pdf
- https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/a7c9115fa45bcd49dd3f18041df4b807/35000156122.pdf
- https://alternativecarrepair.com/userfiles/file/woseriroxopimonara.pdf
- http://fitnessklub-impuls.pl/uploads/assets/file/sarekujonugomakusut.pdf
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aff76dae3a4---nufoginodimememevafamewi.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/16077bbbd34ce6---butirizivuwadofesurur.pdf
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/86fdc0955c1fef54457e7bb92a2a3bb6/kezuvemugof.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=free+old+time+music
- 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_off00011f27.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F27 | 16792 bytes |
font_01_sfnt_off0001373e.bin611311877562c5ca62d87001557af76175e41725c3c6cd819f384c33441868a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1373E | 10344 bytes |
font_02_sfnt_off00014e94.bine5b6ec49e6116117614c82b769f3f79e927afca55cc1f0d0915e356cf5aac4ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E94 | 17828 bytes |
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