MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing 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 or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9938
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://crewmak.ru/uplcv?utm_term=how+do+you+screenshot+on+snapchat+without+them+knowing+2020 PDF link annotation
- http://bowie.abwingsmd.com/uploads/files/jeriza.pdfIn PDF document text
- http://archiw.gbpopatowiec.pl/img/upload/files/79969893820.pdfIn PDF document text
- http://orthodoxvaidikasanghom.org/userfiles/file/vobawezenaguvowonetelati.pdfIn PDF document text
- http://www.likoda.com.tw/upload/ckimg/files/gixolepodenuwesot.pdfIn PDF document text
- http://thangmayedex.com/webroot/img/files/lowonepumonaxezaw.pdfIn PDF document text
- http://juha.be/_files/file/10605939000.pdfIn PDF document text
- http://tw-tms.com/uploadpic/xw/files/zedozurulomolizipabo.pdfIn PDF document text
- http://turnwealthy.com/ckfinder/userfiles/files/75002787334.pdfIn PDF document text
- https://best-label.com/upload/files/togutisidud.pdfIn PDF document text
- http://psychologadamczak.pl/userfiles/file/80086490016.pdfIn PDF document text
- https://bonekarusa.com/contents/files/41991644714.pdfIn PDF document text
- http://cariboohose.com/userfiles/file/sunedij.pdfIn PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/ae19fab8ab20ae74f438ef4edf453a0a/zazada.pdfIn PDF document text
- http://www.tecs4.com/intranet/ckfinder/userfiles/files/38050130348.pdfIn PDF document text
- http://cesnek-vysocina.cz/UserFiles/File/zezofebusevakeva.pdfIn PDF document text
- https://rockeit.com/userfiles/file/33770286306.pdfIn PDF document text
- http://bkht.vn/userfiles/file/16300125033.pdfIn PDF document text
- http://ats-dz.com/userfiles/file/97927711427.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/8418c8584cf1bada347779bf315a6aca/kiwefojofer.pdfIn PDF document text
- https://bywuf.org/upload/editor/files/jakewumapatum.pdfIn PDF document text
- https://kurishupally.org/userfiles/file/12464467921.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7e3cd04b7---86756581279.pdfIn PDF document text
- http://mjacz.cz/soubory/files/lukekadotedowaginola.pdfIn PDF document text
- 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_off000121e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121E8 | 11540 bytes |
SHA-256: 27830c9cf409da27dea357b63972e042c4075c8501888daf2adca6a565747301 |
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font_01_sfnt_off00013cf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CF7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015509.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15509 | 19904 bytes |
SHA-256: b1125d318b416aa40b99cf3e7eed1023a2df861f9740afc80f78c365e2553c15 |
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