MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal that the PDF contains a link farm pointing to compromised WordPress upload storage, suggesting it's part of a phishing or malware distribution scheme. The presence of a 'download button' lure further supports this, aiming to trick users into downloading a payload from one of the identified compromised URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16083713d09463---debirelufan.pdf
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/2b59e063ed6c5d8df12e640154f85d9a/61117253609.pdf
- http://pttaccounting.com/userfiles/files/kogiluwupuso.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607b96452bfde---ruwaropaparamaso.pdf
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/e9e18f58688560f37aa47594138702c4/rawev.pdf
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16092894adb90b---rijireditujute.pdf
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/43a1196ab6b79a0d991072de381a139a/febuxamexivokuzagi.pdf
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813d347f047---773149006.pdf
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a3742f49f1f---terosebubipefemepimeg.pdf
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/74a50f02577561287054ccf8d01b2a2e/losebaxada.pdf
- http://exantusfamilyreunion.com/clients/9/96/968554593547eb574606130639276270/File/rasobaremefed.pdf
- https://paklya.su/design/img/upload/file/52785168543.pdf
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/e0068403ed1c408ae74577db98a6affc/82329744696.pdf
- http://castudio.eu/userfiles/files/fisifesofufumek.pdf
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/acb1fd2f6bd53229b3992da6dc6916b2/wigidutezoti.pdf
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/it0c1cin7ksvjdpuqm7m7ttfpd/xuguvigirojomunefadikux.pdf
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082b15dd2449---71850731661.pdf
- https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/bgh9fut9t3pg2l3e3hm0fi9co4/37788682572.pdf
- https://ukdirectremovals.com/wp-content/plugins/super-forms/uploads/php/files/a08e4f223a7713bd1d7ab936e1d615d2/sutiromelaresu.pdf
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/d6893f7e5175facec1f44497f91e9f81/fatepito.pdf
- https://yssnewlessons.org/UserFilesTwo/file/xurilogegimerudow.pdf
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/iu98go3vo868qsevr6on0o4qb4/vagazevukebadovogafek.pdf
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16083a93e8f945---5075346912.pdf
- http://leakefamilyreunion.com/clients/63964/File/86549660096.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=sales+of+goods+act+bare+act
- 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_off0000dcf6.binf6c7a033112406ec07d2e7aa5f8603e055a6a32e8db6c89d85980cf6abe88375 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCF6 | 10668 bytes |
font_01_sfnt_off0000f558.bin6ef956839778fbd5cec7eebddc77a57cf219a813902a899d3d6a54d6236123a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF558 | 16848 bytes |
font_02_sfnt_off000120ed.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120ED | 16792 bytes |
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