MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple domains, including one identified as a compromised CMS upload. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery. The presence of numerous external URIs and a link farm structure suggests an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
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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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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://gabinetortodontyczny.eu/userfiles/file/44129942873.pdf In PDF document text
- http://codienlanhtrangia.com/Images_upload/files/rofigekafebi.pdfIn PDF document text
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/6c4f90a72c2a5faa50ae2dece918bd74/bunitijidobunokal.pdfIn PDF document text
- http://jinyudachem.com/upload/files/nukulo.pdfIn PDF document text
- https://stef-nancy.fr/upload/document/sanejovinolos.pdfIn PDF document text
- https://chaletsuenodesol.de/files/xuxulosuxaxuzirefexojeg.pdfIn PDF document text
- http://thsport.dk/ckfinder/userfiles/files/8122661546.pdfIn PDF document text
- https://textmakareknutsson.se/upload/image/4371547109.pdfIn PDF document text
- http://futureinfashion.com/ckfinder/userfiles/files/79713476285.pdfIn PDF document text
- http://lovelyspa.net/ckfinder/userfiles/files/lilezalefano.pdfIn PDF document text
- http://studioarchoggianiepartners.it/userfiles/files/75495531889.pdfIn PDF document text
- http://noospc.ru/SITE/files/editor/file/japajoso.pdfIn PDF document text
- http://denprokhorov.ru/images/file/97284119788.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/16131971781de7---napusanejilufifisoxu.pdfIn PDF document text
- http://ahjygjg.com/upload_fck/file/2021-9-11/20210911121851363029.pdfIn PDF document text
- https://anandamsanyal.com/userfiles/file/fusebefilakirowi.pdfIn PDF document text
- http://www.almansori-ye.com/almansorifiles/files/noxexuxixaratikamuleg.pdfIn PDF document text
- https://pcetravel.com/files/file/garigadijide.pdfIn PDF document text
- https://035620126.tw/upload/greenkitchen/files/65197537228.pdfIn PDF document text
- http://tumwebthailand.com/ckfinder/userfiles/files/88772093770.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/16159317f3ecbc---zolaluw.pdfIn PDF document text
- http://davobio.com/upload/files/33799094298.pdfIn PDF document text
- https://ises.smithpressautomation.com/phpsites/vertical_living/uploads/file/movimadane.pdfIn PDF document text
- http://skulpt.in/admin/uploads/file/bonurebirolupilixilev.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/dbe0ef40467960f8c1976debb9178f5e/xuxegonesimevofato.pdfIn PDF document text
- http://uitvaartverzorgingsindex.nl/images/uploads/kapiredoriwovozudajadel.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=carlson%27s+guide+to+landscape+painting+pdfPDF 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_off0000ee6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE6C | 17728 bytes |
SHA-256: ba31a1382a24d1367f651bafd40f21e9e73c1bca6d47d054cbaf662f4eb9157f |
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font_01_sfnt_off00011c51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C51 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013468.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13468 | 10960 bytes |
SHA-256: f34107c9a3f9b4f4ed12a60eb2fd9b2f3271e9d85678c411fb80bbba36cc7f4a |
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