MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The presence of numerous links, many pointing to potentially compromised WordPress sites or disposable hosting, suggests a link farm designed to redirect users to malicious content. The heuristic 'SE_URGENCY_LURE' further supports the phishing pretext, implying the document attempts to create a false sense of urgency to prompt user interaction with the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://ambvetesopo.eu/userfiles/files/4487207665.pdf
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a27b005d980---gadewemejel.pdf
- http://www.saito-ken.jp/userdata/file/rabupox.pdf
- http://coinproject.com/userfiles/image/file/logikizokajoniperal.pdf
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/772fb414bdf81832ec78eefadd6e0040/56211607876.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609d221bc9ab9---dutetafumubagamu.pdf
- https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/7b1ca2086df270ad6fdb3e6a70d6a608/97001390231.pdf
- https://bodegoncriollo.com/userfiles/file/39510834493.pdf
- https://alutat.com/data/file/jixalatixupitekabe.pdf
- http://amphorabeautyclub.com/campannas/file/fematamenegalil.pdf
- https://mimpiindah1.com/contents//files/diduxukoli.pdf
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/frpqi3gj6e1d3caga4akqfdk51/65360082843.pdf
- http://agrion.org/upload/fichier/69341701669.pdf
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/c39ca547bf7bb07903a797900cbb586d/biladawere.pdf
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/59663e000448160006e780edc780ea17/91569895922.pdf
- http://autoscuolapezzano.it/userfiles/files/53487213360.pdf
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/9f654eb45785e26db6706e8b06725d0d/28907973053.pdf
- https://trellisdundee.com/wp-content/plugins/super-forms/uploads/php/files/f50c9bce96620dd27d04950c165d29e6/sepefopos.pdf
- http://sintellect.ru/Repository/file/72522696349.pdf
- http://skupka54.ru/upload/m/69322878563.pdf
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/vc0btf0c3u9q6he2p6tncupqgh/muwazalotuzaduvoze.pdf
- http://maychamsocda.vn/images/userfiles/file/68467007269.pdf
- https://spacio.hk/attachment/file/wipajorejovo.pdf
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/93gqfbl6lg1ctnr2ec1jmugdbg/55861286603.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=thermobile+at307+oil+pump+not+working
- 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_off0000fd11.bin5588e8877401905f63bf4281263230105ebeeba91ad1529e7c9b6180bd06abb7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD11 | 17152 bytes |
font_01_sfnt_off000129a3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129A3 | 16792 bytes |
font_02_sfnt_off000141ba.bin159dceef5adaabffc74b040f5d2dadd076be34fdc4f3ef917decb318ca9ac3f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141BA | 11256 bytes |
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