MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or malware distribution intent. The presence of multiple links on compromised CMS uploads and disposable hosting reinforces the malicious nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9708
Heuristics 6
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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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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://agro-vostok.ru/userfiles/file/xebotufolowobe.pdf
- http://africa-emergence2019.com/userfiles/file/kinabogokepazulewofapiruj.pdf
- https://antae.be/app/webroot/uploads/file/vowokititisumemogebebul.pdf
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f25f1afa55---5637501713.pdf
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bfdb6e4cc1---zumevelevi.pdf
- http://d4sontario.org/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/32531706472.pdf
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160c4a1ad3ba97---32199247583.pdf
- https://anmimar.com/royal/userfiles/file/kugijopumixeva.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bd951603a5---fexok.pdf
- http://www.specemc.ru/upload/files/77923749542.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/78f0ff1d9a03190b840f3a85c2f01c32/botasadod.pdf
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/ae19fea86c6e9d0656aa9b27f2ac0dd7/zadavuluxuvufisexuneze.pdf
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/2849edf8901fb6d55a07a467c2ca8aa6/xabovawajexu.pdf
- https://datajournonepal.org/files/vujozidoxiwarogofekav.pdf
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160d197f251060---norulutalim.pdf
- https://bbpartner.cz/userfiles/file/76724776924.pdf
- http://cs-web-design.de/ablage/userfiles/files/xozuwo.pdf
- http://perlawarmii.pl/userfiles/file/risakesegajovit.pdf
- https://activepymes.com/pub/file/12365121324.pdf
- https://alternativecarrepair.com/userfiles/file/sexodigix.pdf
- http://wsp.pl/userfiles/file/49045095121.pdf
- http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160741adbbc1f8---lujemap.pdf
- https://islandsvefir.is/wp-content/plugins/super-forms/uploads/php/files/m46jnhfnsedirvjv7edpjferjg/gubuware.pdf
- https://cornwallstaffagency.com/userfiles/file/zuruxusipodikegizowax.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=praise+him+with+the+timbrel
- 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_off00019a44.bind15231bf774209387ad4ce822a9df91bedcf488b23067af078fe42583f505a80 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19A44 | 20080 bytes |
font_01_sfnt_off0001cbee.bin082318540803a546a89355f85a0b3e7e7ff66f0fb33c19b1167cdae36d08368b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CBEE | 10376 bytes |
font_02_sfnt_off0001e36e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E36E | 16792 bytes |
font_03_sfnt_off0001fb7f.bin155d2e02a373bfe900b66a43548ee7d1466cccc57e9f3777d92e69528f4aa675 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1FB7F | 19104 bytes |
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