MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to compromised WordPress sites and other potentially disposable hosting. These links likely serve to distribute further malicious content or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/16097b6a5837f9---woguvinigerim.pdf In PDF document text
- http://alpanelektrik.com/depo/sayfaresim/file/zewodijiruvofemesig.pdfIn PDF document text
- https://discovery99.com/userfiles/file/2056527873.pdfIn PDF document text
- http://indovinandoilmondo.it/themes/userfiles//files/juvanufamitaz.pdfIn PDF document text
- https://dm288.com/slicice/file/70064047839.pdfIn PDF document text
- http://chinhsuasolieu.com/media/files/49342775583.pdfIn PDF document text
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/a529b0ee8340f8f9801e0f9d8d88f20e/38816723312.pdfIn PDF document text
- https://anup.bo/images/files/61881282850.pdfIn PDF document text
- https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/b4feeb9a9fb8bfe5212a96acc8a6c20f/jijisala.pdfIn PDF document text
- https://gotamsui.com/ck_imgs/files/23614542114.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ac071e93fc6---19939189540.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160799b6958ea6---22239512451.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/gl35h6ovmv052f81tc22svluag/78702229471.pdfIn PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609843369be97---6882003691.pdfIn PDF document text
- http://ural-resyrs.ru/data/file/jemirowepapus.pdfIn PDF document text
- http://wagnerpc.com/userfiles/files/pozemije.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/i5c2hgb0cpp9nh3cp0j4dq9i67/zagalumoxik.pdfIn PDF document text
- http://sklepjola.pl/userfiles/file/89587433253.pdfIn PDF document text
- http://jlsxjy.com/right/UploadFile/file///2021080408030273499.pdfIn PDF document text
- http://federicozucchettiarchitetto.eu/userfiles/files/tunuzokavaxolog.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/0c5d09166c32e6274b5bb4701ab93683/4929065407.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=investing+the+ph+scale+worksheet+answersPDF link annotation
- http://janyska.home.pl/_mjanyska2013/fotki/file/pifaberu.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_off0000d711.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD711 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF28 | 10848 bytes |
SHA-256: c28e530f2cb1ff7a2a291f9011de7f22247a5a9b0951153799520a0c89326703 |
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font_02_sfnt_off0001083b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1083B | 16696 bytes |
SHA-256: 17ba2d1e857cfb4da5dae68087ce711bceaf2a74fedb4def8d5028632f8f0e64 |
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