MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple heuristics indicating malicious intent, including a link farm on disposable hosting and a compromised CMS upload link. The presence of a visual download button lure and password instructions for an archive strongly suggests a phishing or malware delivery attempt. ClamAV also detected this file as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9940
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://khanaphatgroup.com/UserFiles/file/17107063523.pdf
- https://efnnma.org/files/file/nefiturufi.pdf
- https://rijst.nu/userfiles/file/finozojob.pdf
- https://hiroyoung.com/data/files/jenimavakiraxewafawa.pdf
- https://samuelben-horin.com/userfiles/file/65917909603.pdf
- http://deltastal.ru/userfiles/file/kupip.pdf
- https://ancoraeducacion.com/images/nezuxepolofi.pdf
- http://baloneacessorios.com/_upload/file///kasuwowesijalinovod.pdf
- http://innotack.com/userfiles/files/45369821343.pdf
- http://dent-pro.cz/pic/file/vikefumepigelalepijiwukoz.pdf
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbeb3df972---nowabesepisavibodaxojos.pdf
- https://homecareangels.ca/files/files/files/52479745708.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/c9b0eb48f99266646988cf6e9f57bb42/88501483278.pdf
- http://top-conversion.ru/ckfinder/userfiles/files/sizemaj.pdf
- https://restavracia02.com/userfiles/file/87301943814.pdf
- https://patriciobanados.cl/upload/file/
- http://cuacuonnhaxuongbinhduong.com/upload/files/sokugajudaxesijexugibe.pdf
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/9t9digfqavsecvag4pmcbis168/vewudagabexutodape.pdf
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/toimitb9683ait5luf2l19d52q/88784695871.pdf
- http://ttlh.vn/storage/ckfinder/files/3441641756.pdf
- https://cooperspick.com/files/nuwatogavedavi.pdf
- http://myucpb.net/userfiles/file/55161063457.pdf
- http://wchs65.org/clients/b/bb/bb65574a37642f7fe3135935df861e67/File/gigogedonupabupuka.pdf
- https://taipeitccia.org/CKEdit/upload/files/wokibewaduwomapeduxip.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=naruto+ultimate+ninja+storm+3+apk+android
- 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 |
|---|---|---|---|
font_00_sfnt_off0000ea14.bin917c43d6162fe4415041be1e0d076aede95f0c20961f65668df81e9e9fd08a75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA14 | 1736 bytes |
font_01_sfnt_off0000f24e.bin42bf93d4f4ae97a0555dba4887e19f9ba865ddcaaa1e45d6d6cdf4f023e464da |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF24E | 17844 bytes |
font_02_sfnt_off00012071.binf5d8747fdd54c959e7ea6e0e332914bb7d6838821c9dc90e89025e18ebbba4b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12071 | 11024 bytes |
font_03_sfnt_off00013a13.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A13 | 16792 bytes |
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