MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous external links, many of which point to compromised websites or disposable hosting, indicative of a link farm used for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://digicpictures.com/downloads/87429435740.pdf In PDF document text
- https://copyjokertw.aw6.tw/uploadfile/qu4_qu106_com/files/faxabalapesafiwapasap.pdfIn PDF document text
- http://xetaihyundai.net/upload/files/67224451478.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142c72500d9a---bafosonigatuz.pdfIn PDF document text
- https://btsis.com/upload/ckfinder/files/58593431153.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614090d542f57---voxilagofogexuli.pdfIn PDF document text
- http://xn--rssx31a7tec6p.com/upload/userfiles/files/20210901171802.pdfIn PDF document text
- http://spaconsulting.pl/userfiles/file/fojamibewolomadegukodenix.pdfIn PDF document text
- http://www.srijonihealinghome.com/fckimages/file/601327893.pdfIn PDF document text
- http://cbcom.fr/ressource/site-image/files/68767633951.pdfIn PDF document text
- http://exosportsante.fr/ckfinder/userfiles/files/wateruziwokamoxefifaware.pdfIn PDF document text
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/61737783820.pdfIn PDF document text
- https://sandipkumardutta.com/ckfinder/userfiles/files/puxojufivovaxoji.pdfIn PDF document text
- https://rts-wm.com/ckfinder/userfiles/files/99835846654.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614d158969fcc---majulubokuropivomezigisin.pdfIn PDF document text
- http://asja-doll.ru/userfiles/file/xewaf.pdfIn PDF document text
- http://kargo-box.com/uploads/files/sopuruzi.pdfIn PDF document text
- https://vrrc.heart.net.tw/ckfinder/ckfiles/files/47968174413.pdfIn PDF document text
- http://xageunion.com/userfiles/file/20721212106.pdfIn PDF document text
- http://autovoda.ru/upload/files/xubasepal.pdfIn PDF document text
- https://clubselect.ro/ckfinder/userfiles/files/kirokokaligikivuputerumuf.pdfIn PDF document text
- http://sparkpro.lv/content/file/4354888986.pdfIn PDF document text
- https://mobspace.xyz/web/img/podborky/files/98746395726.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=number+20+in+different+languagesPDF 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_off0000b229.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB229 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA3B | 16920 bytes |
SHA-256: 6b1d892ee03dd279d994e28cff5285d5392db5adc5b15a13292d3a1dafb3af7c |
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font_02_sfnt_off0000f5a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5A6 | 11036 bytes |
SHA-256: 49a378c8aa199ca5992a0eeb50999431f17a2b004b2e64cafe634c9228050ac6 |
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