MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous URLs pointing to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://coretry.ru/uplcv?utm_term=cooties+streaming+vf
- http://mcenterdk.ru/fck_editor_files/files/jufapetufe.pdf
- http://julianina.de/upload/file/vawozojusik.pdf
- http://3dtechgroup.com/uploads/image/files/96187561962.pdf
- http://suvagcentr.ru/userfiles/files/3913974024.pdf
- http://hicoweld.com/shop/fck_file/file/fetosofatubepet.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134f6c1cb7c6---rizudibixuxo.pdf
- https://selapro.com.au/application/third_party/ckfinder/userfiles/files/47365843459.pdf
- https://pima-alarms.eu/slicice/file/rovexofusozosakizo.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/0adb8e2c6e78a5151ec2be2f14694f94/pesitufitodudibudefekiw.pdf
- http://oxigensupplies.com/shipinc/userfiles/files/fexafin.pdf
- https://urbanshapes.in/userfiles/file/bukekadefisixixep.pdf
- http://ketnoikienthuc.com/upload/files/ridufesekipusufuz.pdf
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/e7d09272b512fd423d8d5d9928b31648/kapirojejag.pdf
- http://twtipa.com/upfile/files/2021/09/18/kexedolojowodub.pdf
- https://www.netcorp.hu/data/editorfile/16923155450.pdf
- http://arcstema.com/userfiles/files/67514193837.pdf
- http://holidayinntorino.com/userfiles/files/80730339534.pdf
- https://efnnma.org/files/file/metakepimuzeponakawaxaj.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16144f9ccedf09---67823243008.pdf
- https://olterus.net/contents/files/fegasifodapodax.pdf
- http://ieltsadd.ir/cache/fck_files/file/47363564960.pdf
- http://kingsauto-bar.com/js/upload/files/62842594776.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16143329cc5546---jigivitetiguwezelusoparek.pdf
- https://pianoinprimopianofestival.com/uploads/file/wujukupope.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- 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_off0000c1e3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1E3 | 16792 bytes |
font_01_sfnt_off0000d9f5.bin83693371d43d2250101bd0260b04d944a5bb9b4997fa6bc329784cab7924d71d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9F5 | 19692 bytes |
font_02_sfnt_off00010d7a.bin6159447a47b32c487f3b2d3c2bd0d3f5b0d707ddd1e055214b8f12936465440d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D7A | 10608 bytes |
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