MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Numerous embedded URLs point to compromised websites and link farms, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated, preventing analysis of its direct content, but the heuristics strongly indicate a malicious link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://philabc.ru/uplcv?utm_term=whatsapp+backup+from+iphone+to+android PDF link annotation
- http://i-physiology.ru/upload/mewukavezakefimaxukif.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/b87r1s9djkbevusrlqrpn0vam2/20817879583.pdfIn PDF document text
- https://gilboamedia.com/userfiles/file/xapebekezotaxolu.pdfIn PDF document text
- http://pravkniga.ru/files/userfiles/files/39083687946.pdfIn PDF document text
- http://gazduire-domeniu.com/UserFiles/file/41146809798.pdfIn PDF document text
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/2diefehpsf8rt2nhi02h73dkfdustr7a/kisumuvujifeb.pdfIn PDF document text
- https://kamwalibais.com/userfiles/file/wubov.pdfIn PDF document text
- http://wanyuantemple.tw/userfiles/file/kejoberasimarumomip.pdfIn PDF document text
- https://enilubricant.hoakhanh.vn/uploads/image/files/1239439596.pdfIn PDF document text
- http://www.ciesol.es/ckfinder/userfiles/files/kozunajemirupokolu.pdfIn PDF document text
- https://hrmconsulting.biz/upload/files/burajugupaxurogazi.pdfIn PDF document text
- http://zulassungsservice4you.de/bilder/file/fafuren.pdfIn PDF document text
- http://hangtatmj.com/userfiles/98131416600.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/7e93583e9f0127b67a08272fb4112ead/47601112752.pdfIn PDF document text
- http://wmsone.com/eimages/file/namuresibesarabe.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143214785f94---votobudi.pdfIn PDF document text
- http://evevoyance.fr/adh/.-/file/kewoxerubakalefuguv.pdfIn PDF document text
- http://es-manzokudou.com/yamituki-n/uploads/files/17023593690.pdfIn PDF document text
- http://aotwcasino.com/ckfinder/userfiles/files/77870401152.pdfIn PDF document text
- https://ksdc.in/userfiles/file/sumagujikifixolekife.pdfIn PDF document text
- http://racecross.com/upload/edito_fckeditor/file/16214255780.pdfIn PDF document text
- http://harchovyk.com/userfiles/file/32911046833.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161449fcd6beb0---86803609612.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_off0000e15f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE15F | 17288 bytes |
SHA-256: 579ec0e2820bfa03eeb443a784ced65aafc45bc0b6f06a2e8cb72c304158df35 |
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font_01_sfnt_off00010de3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DE3 | 11164 bytes |
SHA-256: b8f44248d252776867981291a88850bcce60e19591f53e47c421045f80002a06 |
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font_02_sfnt_off0001279e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1279E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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