MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The presence of a link farm hosted on compromised or disposable domains suggests a phishing or malware distribution campaign. The embedded URLs point to various PDF files, likely serving as lures or further stages of the attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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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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://asi-filter.pl/files/file/nabebujaritifatubej.pdf
- http://hmed.vn/upload/files/timesasuxebedigenade.pdf
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/tk2cfe43vg84nffgd1d6m39c80/2791484400.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab397fbb1e4---35689835827.pdf
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160edf0189de69---medulo.pdf
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089da02e5f8e---tuxulotajazur.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/bfn12tku845s106upg7u1tef8e/38252458879.pdf
- http://yourbuilding.ru/userfiles/files/58258881108.pdf
- http://cascinamana.it/userfiles/file/72895641698.pdf
- https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/7894c741863c7f7742a0fab756f6dff7/tuluvewizenigegok.pdf
- http://fedime.org/imagenes/fekavevoto.pdf
- http://aktifimmo.lu/userfiles/files/xuvebozedivedare.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/776084da8c2aced27519b4806fa0c5ae/65931338705.pdf
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075c5359dc30---61354324991.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/53e293dce1afb2ddb85f7a3f7f37c996/35781912121.pdf
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/j5mf98tekhcm72g5dgdu8jlpgk/60074641004.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/d434ba7d2092742cd01e52fbb9664ad9/koneromofutojanufipuziful.pdf
- http://vandientuchinhhang.com/upload/files/wipevalonijevuli.pdf
- https://2acontractor.it/images/file/44029351023.pdf
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160a62bf03facc---govazixasatem.pdf
- https://binarbaidtrading.com/public_html/userfiles/file/89930281119.pdf
- https://pakistanchristiancongress.org/userfiles/file/16973285548.pdf
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/4eaa26b571c3342ecf0a46d39bd4ba73/53852075214.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=irvine+library+assembly
- 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_off0000fbf2.bine1dbe1c9552754f97729c3cc30a60cf36e74f9fd12caec9944b8446208cb4409 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBF2 | 10324 bytes |
font_01_sfnt_off00011328.bin6c959da7bbaae19e411f26c1588d9ad5023f995623df98b4802efd64a1518c91 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11328 | 16952 bytes |
font_02_sfnt_off00013f38.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F38 | 16792 bytes |
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