MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file 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 a phishing or malware distribution lure. The embedded URLs, particularly those on IP addresses and compromised WordPress sites, are the primary indicators of compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://german-ex.com/konuwufurigoxo.pdf
- https://sieuthimayphat.com/ckfinder/userfiles/files/58642525806.pdf
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/pfu0lm2aje3qfc57v3fu3toib7/jaregamo.pdf
- https://georeno.ca/userfiles/files/tuxojavelak.pdf
- http://allaboutdowney.com/userimages/54042798121.pdf
- http://elfuklid.cz/foto/Image/file/luwibonobese.pdf
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb7f66d304---54173332945.pdf
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606c74b405322---logagaxulisam.pdf
- http://baraanduliaptti.org/userfiles/file/tirazatugajepilumagi.pdf
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160c1947ec0162---53216602448.pdf
- http://momsystem.ru/public/file/vopazibawox.pdf
- https://camgloberealtor.com/userfiles/file/7014281679.pdf
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/uoqthsqhepbfufc7olkkpu6l7g/mesenir.pdf
- http://greenberetrotcmedals.org/clients/e/ee/eef2f5edcbf7b69ea683240098563b39/File/gunipunenegitedepixaluji.pdf
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082c57c3f03b---31711533301.pdf
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/c789112aaba2fded0d6a60e2a78554a2/vuwoka.pdf
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/16077b015443f0---pujonopilos.pdf
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dd2d6d78bc---71596951195.pdf
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/rmqli3vvbf5lpkmkk3bk2itqg5/kozubu.pdf
- http://modnyi-buket.ru/uploads/files/jurud.pdf
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/1608947a452928---vemumegubidotokom.pdf
- https://islandsvefir.is/wp-content/plugins/super-forms/uploads/php/files/gphs4kako1t1bvv4a31mg30t46/72117049726.pdf
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160731a80c3f03---gaxavoku.pdf
- https://apinero.com/wp-content/plugins/formcraft/file-upload/server/content/files/160768481a38a1---10132410418.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abec04c880a.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=multiplying+polynomials+examples
- 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_off0000fd19.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD19 | 16792 bytes |
font_01_sfnt_off00011530.bin1c2a194dcb92c5e1a1c8dceb3dd8d987f353dd73ba526c44e35d2e9d7f90f379 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11530 | 10804 bytes |
font_02_sfnt_off00012e20.bin5058bdb4a7066a651067ce3bd5282d6b49005d83beb281368767b3372f5766a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E20 | 17156 bytes |
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