MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to direct users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://amadesafar.ir/basefile/amadesafarir/files/zutanitolunitigifinud.pdf
- http://ankurgroups.com/userfiles/file/88426361571.pdf
- http://euro-ex.net/images/blog//file/80980778009.pdf
- https://prestinieurope.com/userfiles/files/mapozamimanosufopapudubu.pdf
- http://anjilh.com/uploadfile/file///2021051508051753.pdf
- http://videofilm-tv.ru/content/File/31343698205.pdf
- http://anquocrealty.com/uploads/image/files/lanafefisefujadofis.pdf
- http://chromatographvials.com/d/files/fedidezupanibubizotujig.pdf
- https://diaspoassur.com/wp-content/plugins/super-forms/uploads/php/files/c281a732119a6319edb0a475fad31359/60314444338.pdf
- http://www.frank-diagn.hu/userfiles/files/96018516750.pdf
- http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f08b64746f---30244907767.pdf
- http://am-assets.com/aom/magnolia/userfiles/file/68759783447.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077c49787e2a---pezijewojezekukejudilemek.pdf
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160aac0b8bd2e0---jaxiso.pdf
- https://jagamimpi.org/contents//files/tabem.pdf
- http://banglatalkies.com/dynamic-images/cms/file/tutume.pdf
- http://curry-box-deluxe.de/userfiles/file/42631020966.pdf
- http://shsuorui.com/uploadfiles/fckeditor/20210708/file/16256952764345.pdf
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a0c5310cf8---1880039504.pdf
- https://acavacecio.it/userfiles/files/99629441829.pdf
- http://kidsjeodo.com/images/files/43071311480.pdf
- http://www.kickcommerce.com/userfiles/file/pelevokani.pdf
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f01a275680---31583332547.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=linking+words+for+explanation
- 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_off0000e2ad.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2AD | 16792 bytes |
font_01_sfnt_off0000fac4.binc2c74f08ef6695e694db15b399fbd1c3ba1479e1fce85263fc5be76f1a08fbaf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAC4 | 10908 bytes |
font_02_sfnt_off000113fd.binb5e4241300538440dbfc508ea1fcfa85377df25e16b1aef54a0b994cfc193303 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113FD | 17032 bytes |
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