MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised WordPress upload directories, suggesting it's used to distribute malicious content or phish users. The embedded URLs are likely part of this distribution network.
Machine Learning
- Nyx PDF Classifier malicious score 0.9769
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://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a1a90c62254---sufani.pdf
- https://areicon.com/images/file/47159768339.pdf
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084e2424e463---pegiwaguxozagikexuv.pdf
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2131278381---kogasil.pdf
- http://southfieldhigh.com/clients/a/a2/a202dccd336a30abee2d0a4364b9f07c/File/40817363118.pdf
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/e2f6d7ccbebb25619576e7f509139ef7/vejojugiposamerufop.pdf
- http://zabradli-znerezu.cz/userfiles/file/79887626957.pdf
- http://kawoka.com/userfiles/file/kuzogefotomuwedinelexolo.pdf
- http://primaneighbors.com/userimages/labixibixug.pdf
- http://stardentalcare.org/userfiles/file/mibovitimonabelukafapap.pdf
- http://adhdesign.de/userContent/files/20210707210942-17371997442.pdf
- http://christschoolblr.in/userfiles/file/96584936116.pdf
- http://thanhlapcongtykiengiang.com/upload/ck/files/feraf.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606e8873afce0---vekodi.pdf
- https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d153085b6a---levemikukaliv.pdf
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ec408bd7e89---39235131307.pdf
- http://noahjohnsonsark.com/clients/e/ef/ef24418f2336b9480f3353ee42fa3f58/File/gusivokakebewalawoleke.pdf
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/431e772140ba63e2568569d3d695b5dd/80782094450.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160cbfca11533b---lujenibuk.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160bb4dc0692e2---polerapaxefurinabo.pdf
- http://xn--80aadq3ae7aa5k.xn--p1ai/upload/file/xarapekusetom.pdf
- https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/9fe37a8ad012bd06efb9caed5062d5bd/lejeximitikin.pdf
- https://www.vbclighting.com/wp-content/plugins/super-forms/uploads/php/files/8f96b1d7d7f6b69a434c3de322999934/mirajipabex.pdf
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160953d8ccfc44---managudufila.pdf
- https://robert-zauer.cz/userfiles/file/renelevipiwegup.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607714a3405d5---rajisumanegodarowe.pdf
- https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/160949d30481f0---14601470334.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=verb+to+go+in+past+simple
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off000116c7.bin79fc8a14877ecb925e111ebd490a032915ff2100a465ad971c0ac27044234ad1 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x116C7 | 16520 bytes |
font_00_sfnt_off0000e65e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE65E | 16792 bytes |
font_01_sfnt_off0000fe75.bin8827f92b69e8dd85e576311084dbe93b9fdabc6ec3252ec7ebdda03b9eac68d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE75 | 10704 bytes |
font_03_sfnt_off00012de6.bin95686ab6e9a4e1a67cfd4373d684159fa65ab53e9ac2043107f850641ae06967 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DE6 | 24896 bytes |
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