MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, many of which point to compromised CMS upload directories and disposable hosting, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to redirect users to malicious sites for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9945
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c38aaf916a6---dawitijesetig.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/fc5a516cddff51b66438384bf9481ddd/64084334061.pdf
- https://hazeloyun.com/calisma2/files/uploads/15172654308.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bed46b3cbc6---romaravuxedabawabilazux.pdf
- http://geoscan.it/userfiles/files/19766924693.pdf
- https://lesfeesdelhetre.fr/upload/files/supetagopokul.pdf
- http://short-story.ru/upload/file/mifunalemixur.pdf
- https://apoiotelecom.com/imagens/img_fckeditor/file/sexikipetar.pdf
- http://titusrelay.com/clients/e/ef/ef304ccc03541e9e6382bef5f13b0a7d/File/nosejuv.pdf
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/d3a0dd0e20dffa651c15f7347a6016e0/74175147682.pdf
- http://momsystem.ru/public/file/widekuwelewigipivikob.pdf
- https://copperscraphandlers.com/ckfinder/userfiles/files/78353103641.pdf
- http://synowka.pl/galeria/file/wexeveligod.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/62259056085.pdf
- https://universal4shipping.net/userfiles/file/xidagomut.pdf
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/c7e8f1e6375c543ee0a73abf481fd01e/pewadodo.pdf
- https://nadamasristorante.it/file/nalifigojota.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160de450f529c1---kopatorefafopajezujaj.pdf
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/k755vlnhm0n1rt40pdv26eeq0v/86552950331.pdf
- http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/28884430921.pdf
- http://elmbbq.com/uploads/files/56612740741.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=religions+that+proselytize
- 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 |
|---|---|---|---|
font_00_sfnt_off0000f85d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF85D | 16792 bytes |
font_01_sfnt_off00011074.bin32e07205bdccbd623890dd58d452a1888733c3ea8b61a0e499a341ac28f902aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11074 | 10748 bytes |
font_02_sfnt_off00012929.bin12e925c703d350bf7e8914c9e32c3a5f81396ab90cc4c4435ccca322b296ff62 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12929 | 17400 bytes |
font_03_sfnt_off000156ba.binbfc7ce51a1a9b37382af61f0075eb0cdb972126da031002d338643432d80e6e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156BA | 16252 bytes |
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