MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF structure and the nature of the URLs strongly indicate a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/161443d68af588---11738632919.pdf
- http://mutamobilya.com/images_upload/files/9814994460.pdf
- http://travellerisland.com/files/97638708708.pdf
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/161432a438846a---rivilu.pdf
- http://wish-pharma.com/upload/files/8370829602.pdf
- http://dvarenda.ru/upload/file/tofijilasitu.pdf
- http://playonathletics.com/userfiles/file/roniva.pdf
- http://ge-mak.com/files/56205988488.pdf
- http://www.dereformasenalicante.com/archivos/files/ronurominaxuvat.pdf
- http://mikailang.com/userfiles/file/20210920050042_360245656.pdf
- http://etalentlink.com/uploadfile/file///2021091717144154.pdf
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137b6499025c---9229461999.pdf
- http://simp-q.ru/userfiles/file/ledulemebubo.pdf
- https://apc-algercentre.dz/ckfinder/userfiles/files/91479137828.pdf
- https://rainbowfurnitures.com/files/files/zavakatobinowemikevem.pdf
- http://malbreil.com/userfiles/file/73239947915.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/4c6614a0a1fc035b762df840d90251a1/mobozirarowavu.pdf
- http://girc.ncue.edu.tw/ckfinder/ckfiles/files/jodasejafoj.pdf
- http://aburobocon2019.mnb.mn/uploads/files/30590085552.pdf
- http://abwcolley.com/uploads/files/domaxuk.pdf
- http://velapower.com/glwh/UploadFile/file/2021091820143673499.pdf
- https://khanikango.in/file/vugozimipowesivijorepelad.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=convert+degrees+to+radians+formula
- 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_off0000b06a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB06A | 16792 bytes |
font_01_sfnt_off0000c881.bin61c843279e5fb900e256853a56b08a399acc506fad9fb1affd614043bd79b26c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC881 | 10896 bytes |
font_02_sfnt_off0000e18e.binc451de076f083cc47ae9914b7e8876906bedbe7c133cd1e2b92e9ec281e9f78e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE18E | 16408 bytes |
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