MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting it's designed to redirect users to malicious sites. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL analysis point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/qmcupvtruttuodi5sfqphnmqpa/81998408287.pdf
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff2ac34d1a---4801233892.pdf
- https://susta.vn/userfiles/file/51423830783.pdf
- http://status-go.net/gfx/userfiles/files/nebibaduzafadabe.pdf
- http://ptairsupply.com/userfiles/file/belokiseb.pdf
- http://peak-experience-japan.com/86879374080.pdf
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/1sh75k1mjltcqfieom8gee1nus/69301210713.pdf
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608a589d7197f---4555562919.pdf
- http://huntland.hu/upload/file/65270865573.pdf
- http://brnc85.com/clients/878796/File/48202249336.pdf
- https://shreenathtechnologies.com/userfiles/file/95032741031.pdf
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160abf977c094f---fefibadijituratofidefuj.pdf
- http://parejalecaros.com/adjunto/upload/fck/files/41035749482.pdf
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160856ef106dd6---taxefidozatuvo.pdf
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607da79b27501---27824524156.pdf
- http://allseasonsart.com/uploads/fck_uploads/file/34233769611.pdf
- http://infrabud.eu/fckpliki/file/titejex.pdf
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160737584a38d5---molebisopaf.pdf
- http://gld-lining.com/user_img/files/3926542069.pdf
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/940i7358sp4p658mj5krrnoq0s/jutamatorarajebalez.pdf
- http://prmakeup.com/Image/files/21500252615.pdf
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607615b73e311---zapijenukesufeb.pdf
- https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/0eaf52e602c2771bbb0f0d0ae6decd50/rutivotixodim.pdf
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ded2486ac50---80998272851.pdf
- http://shophouse.info/images/files/gafivajifirosusivisiwaj.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=types+of+gentrification
- 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_off0000eeed.bina2c738a9aea4c3c61aa1f525c9728f59cf62119b29cd4376412757d7d693fad7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEED | 16752 bytes |
font_01_sfnt_off00011a6a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A6A | 16792 bytes |
font_02_sfnt_off00013281.bin572c7210f6b999afcda4c2b0e81994be1d8dedd4f717d43e9bf2e2890b2bd887 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13281 | 10688 bytes |
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