MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or trojan payload delivery. No scripts were extracted, but the document structure itself is the attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://archism.ru/uplcv?utm_term=android+timer+sound PDF link annotation
- http://kovofilm.cz/userfiles/file/53835858865.pdfIn PDF document text
- http://app0.linkeo.it/ckfinder/userfiles/files/fozolazuguv.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/ljac3ug27u58hc8k29afchqmbl/63218462328.pdfIn PDF document text
- https://leavereview.com/customerinterview/ckfinder/userfiles/files/puzeladekabebarelofub.pdfIn PDF document text
- http://antwerp-reefer-tournament.be/argt/files/53574131301.pdfIn PDF document text
- https://afgventuregroup.com/cfiles/file/94841543897.pdfIn PDF document text
- http://brenna-ski.pl/userfiles/file/wosoweboja.pdfIn PDF document text
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/280b95ed83260b7330c4680f482b0b70/lolowupibonomonu.pdfIn PDF document text
- http://thomasgearon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/15554861818.pdfIn PDF document text
- http://easyreturn.store/userfiles/file/jifewemu.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/j47k32j53l1bi7896etmk5htr1/41959916467.pdfIn PDF document text
- http://arqing.es/ckfinder/userfiles/files/34571151466.pdfIn PDF document text
- http://vino-charlie.cz/userfiles/file/jokoteg.pdfIn PDF document text
- http://phongkhamthienhoa.org/images/files/sobowunakav.pdfIn PDF document text
- http://unitekinfostructures.com/userfiles/file/18343054415.pdfIn PDF document text
- http://namhungholdings.com/uploads/ckfinder/files/zibutarokejo.pdfIn PDF document text
- http://sevennews.com.br/ckfinder/userfiles/files/jujeboniw.pdfIn PDF document text
- http://standartbio.com/fckfiles/file/45487707180.pdfIn PDF document text
- http://acmemask.com/upfiles/editor/files/12345049189.pdfIn PDF document text
- https://somogyplusz.hu/files/92156301635.pdfIn PDF document text
- https://boumqueur-edition.com/upload/fckeditor/file/4955698570.pdfIn PDF document text
- http://scpt.it/userfiles/files/73346391325.pdfIn PDF document text
- https://durimawar.com/contents/files/tuxesa.pdfIn PDF document text
- https://ceral.pl/ceral/pliki/file/34028942175.pdfIn PDF document text
- https://nic-irq.com/userfiles/files/41641004530.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_off0000b416.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB416 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC2D | 10280 bytes |
SHA-256: 99ddc175b46d828489d386ba3a9dbd7c16861f6d32cf277aa29656545d7a53d9 |
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font_02_sfnt_off0000e350.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE350 | 16496 bytes |
SHA-256: e0de1af1862490945940519502582b7dcf86791f078d1f80c336e9fac66bfaf5 |
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