MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a phishing or malware distribution scheme. The PDF structure and embedded links point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16092472091e76---16934726622.pdf
- http://giustizianuova.it/userfiles/file/ropeti.pdf
- http://chromatographvials.com/d/files/kamamolebujal.pdf
- https://fortworthdental.net/cmsCart/upload/file/59362192282.pdf
- http://tecnoservizi.com/userfiles/files/82300458207.pdf
- https://moscowfashion.net/content/xuploadimages/file/59349514023.pdf
- http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/xurazurulutijuvekerujiga.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160771cf56733b---21962371525.pdf
- http://w-f-l.de/user_img/file/48948905831.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/16119a2fbd23ba---wumewodajamomeribugaj.pdf
- http://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/xutonenafivafabimevoga.pdf
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1611fa0f26b0c2---vutodewelubivokalakalime.pdf
- http://daiichihr.com/uploads/news_file/92459314188.pdf
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b34fd29e482---54557140832.pdf
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/pq58taf5cs6es124mot5lajitm/75424822511.pdf
- https://astdubai.co/userfiles/files/84107859046.pdf
- https://kristinanamaste.eu/files/31212336285.pdf
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/vr0038vfdf8dhm9t380bkha9u3/sepodenuforobadafaruzup.pdf
- http://bodegaadrover.com/userfiles//imagenes/94798505006.pdf
- http://arcdesantmarti.com/biocop/Images/images-editor/file/niferavoxudubixop.pdf
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afcbf439a99---lujavexugaviwewesuxen.pdf
- http://border-inn.com/CKEdit/upload/files/37710166488.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/e163149db2b0851352445b0963ac0b9e/valojejixoz.pdf
- http://xn--939a66v0zjo3bcvdmrp.com/data/ckfinder/files/30314968294.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=manual+transmission+fluid+gl4
- 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_off0000e7d7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7D7 | 16792 bytes |
font_01_sfnt_off0000ffee.bin84f109fe17fecf797d1078642c0e1d920e91d394775e83a2a72a1d416031b6a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFEE | 10736 bytes |
font_02_sfnt_off00011860.bina7bbf257fb6d0fe15f88c4ab1b02f4c2341eff0b37ab97c92476c1287352fa3b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11860 | 17892 bytes |
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