MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and unreadable, providing no direct user-facing content but reinforcing the malicious nature through its structure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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://shinies.ru/img/lib/file/33417364086.pdf In PDF document text
- http://noospc.ru/SITE/files/editor/file/91810080374.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb4dc90c64---65011490095.pdfIn PDF document text
- http://eurekaelearning.com/upload/news/file/69857774081.pdfIn PDF document text
- https://binarbaidservices.com/public_html/userfiles/file/pikezoxatigomapumedetuvem.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/kuxikurevedusovorodazem.pdfIn PDF document text
- https://kham.vn/userfiles/file/93505348602.pdfIn PDF document text
- http://shuswapladystriders.ca/userfiles/file/kuxifizogavesawitug.pdfIn PDF document text
- https://arzhosting.com/calisma2/files/uploads/tabepazizurojolut.pdfIn PDF document text
- http://drapikowski.pl/uploaded/fck_files/file/radusigofejewulizuri.pdfIn PDF document text
- http://studioaba.net/userfiles/files/pavaderedelulim.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d1c741efc32---mubofowetabutu.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab75d0b9f6c---57462007033.pdfIn PDF document text
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/969eded6409494f5c2bf1a8e0cc57e09/90980081525.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf427b64084---66255466766.pdfIn PDF document text
- http://wonikqnc.com/upload/editor/file/1624383073.pdfIn PDF document text
- https://777mto.info/contents//files/2879537340.pdfIn PDF document text
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/ca7622f47c31bc21512132047927ad8d/8438061366.pdfIn PDF document text
- http://vintageguitar.ru/ckfinder/userfiles/files/wosipomesojenizupipim.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/ae68f6d72a59c90044abd18af13ef06b/dixudope.pdfIn PDF document text
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/vdv9jssvq7soqe1a170tj5iaoc/verubilebiwovikinora.pdfIn PDF document text
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/1svch7vl3pfimn4kagtbjq9iq5/78438422528.pdfIn PDF document text
- https://foundryindia.org/userfiles/file/judojosajonu.pdfIn PDF document text
- https://handinhand-daycare.com/ckfinder/userfiles/files/94740326255.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=watch+bridal+boot+camp+online+freePDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/ee467fe4be0ac880146deab230ace0b6/gufenugo.pdfIn PDF document text
- 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_off0000c3ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dbc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBC0 | 17036 bytes |
SHA-256: c37ae2976bd4e6284c92ad2ee08b6e8ce7cdcb8141169115fd2ccddd650547f5 |
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font_02_sfnt_off000107d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107D2 | 10852 bytes |
SHA-256: cf8635cbfa84cbc1abdefa492e98c014fc6226b966b6c9acee693d9e8acae11f |
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