MALICIOUS
116
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress sites, indicating a link farm designed to host or redirect to malicious content. The 'SE_CALLBACK_LURE' heuristic suggests a phishing or scam pretext, likely aiming to trick the user into clicking the provided links. No scripts were extracted, but the presence of multiple compromised upload URLs strongly suggests a malicious intent to distribute further malware or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bc9dbf93977---79274048607.pdf
- https://reitinguok.lt/userfiles/file/84920143512.pdf
- http://ruoumoc.com/upload/files/sewixeberuvobizugixisejep.pdf
- http://www.cenlaenvironmental.com/siteuploads/editorimg/file/55205072160.pdf
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/da283b19b7b33e1edcdfa0b60f546173/63093430784.pdf
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cdd8d2dcc8f---wabexunakeloredomiwa.pdf
- https://adlinefor.com/home/webagen/public_html/korn/data/file/sazuparokovopovidam.pdf
- http://autoshiftbid.com/fckeditor/userfiles/file/benagufi.pdf
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/s995d54usu1v9nmlkdainn477q/42564910304.pdf
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bca0b6c6e26---mejajibenufelafutujaveg.pdf
- https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/envabf6pfa1unnu7tqn0chsie4/pugazifo.pdf
- https://varbackaforskola.se/ckfinder/userfiles/files/42026726552.pdf
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/gds0n4tp8g6h17l5lkmi1g1na2/vamawodowiwazerisozafawik.pdf
- http://eperon-kochersberg.com/img_db/lajaloxanuxazu.pdf
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607834b015f7b---misibopanova.pdf
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d7ad3cd7ae5---48356735984.pdf
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/88e792ff9c3370f12e9b3470a6826bc2/jokejeluduzewokikesida.pdf
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/1b1a660ecf9f7b867c302dfe830eed56/gesofal.pdf
- https://hojoairport.com/images/file/diwodadoruburibaxeji.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=marion+county+police+impound
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160965a495bc45---47119172817.pdf
- 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_off0000e334.bin1cded5223928f00e109e380cd8d63de4f0f5a793aa446b3d6e2eccdea660d63c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE334 | 10712 bytes |
font_01_sfnt_off0000fbcf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBCF | 16792 bytes |
font_02_sfnt_off000113e1.bin5900eedf42c205ba2139b3eaf9d715cef5cce23b741a8ebda34477bdb432cb79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113E1 | 17960 bytes |
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