MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised CMS upload directories, suggesting it functions as a lure to download further malicious content. The presence of external URIs and a link farm on disposable hosting further supports its role as a downloader or phishing document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 8
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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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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 https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/44bfa792c7b78f4b0ec1fa1c86c943f1/viledofu.pdf In PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/161294835ce5f1---vanaworatigazarosev.pdfIn PDF document text
- http://baldonimarcostudio.eu/userfiles/files/vudezudimibeboxuzezuji.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/ed0aaedc51c06854f915bdb3dd86d2bb/zapegajututoforonotuz.pdfIn PDF document text
- https://saintarseny.ca/sites/saintarseny.ca/files/file/81769096185.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/9b90021824affcfcf3a63a69ac1f63c9/kuten.pdfIn PDF document text
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/df647b84275a50623f3b59d9e007417c/zonomidadufivazat.pdfIn PDF document text
- http://lasfyy.com/uploadfile/file/20210528231040097.pdfIn PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/978a30566fcb09a18f7a5f14d899fec2/fekedometejomesub.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/894b0b00f5882003249e32db10d87da8/kabatikazasivevunumami.pdfIn PDF document text
- http://sahrugs.com/userfiles/file/ginusazewulag.pdfIn PDF document text
- https://sportuna.be/ckfinder/userfiles/files/tinafuximopadibaj.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c475ceee074---5373256730.pdfIn PDF document text
- https://sunwayhk.com/louis/STARKGROUP/ckfinder/userfiles/files/26392932076.pdfIn PDF document text
- http://dringraldi.com/clients/7/73/73ccc230e5ee2b020474e4a43bcd07af/File/bupavotudesumotudarewawe.pdfIn PDF document text
- http://billagelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tosopupuvufogutefelagi.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609298aeeabfe---jomexizigirivudidap.pdfPDF link annotation
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/btms3drktqc3ls9kp7qtkt1fms/pugepulopojuwo.pdfIn PDF document text
- https://techielingo.com/fck_uploads/files/zesewafurubenubukefezux.pdfIn PDF document text
- http://sns-russia.ru/userfiles/file/74483629427.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/iabkigdhgulqlgmim07dog55aj/74860774366.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=ssc+biology+notes+pdf+downloadPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c389.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC389 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dba0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBA0 | 11108 bytes |
SHA-256: 957674fd9994486c2fbea6e724119c58eef89ed3f597f691e9a7b2c4bb20e6e7 |
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font_02_sfnt_off0000f555.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF555 | 17948 bytes |
SHA-256: 34c4a8ec9e2332f5b963550e8b0f94a2b842a435d1d662286ca4b265377dc59d |
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