MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised websites or disposable hosting, suggesting a link farm used for phishing or malware distribution. The presence of external URIs and compromised CMS upload links indicates an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://conflictfreeelectronics.com/ourprojects/chowki/UserFiles/renuka/file/17081139717.pdf
- http://aldobini.it/userfiles/files/45768859108.pdf
- https://giant-nano.com/app/webroot/userfiles/files/zajipivogarivutotu.pdf
- https://groupunsur2.com/contents/files/dazogalikut.pdf
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c70139ccab---bojafesipovofimuzo.pdf
- http://tiramisu-o.com/yamituki-n/uploads/files/68901539629.pdf
- https://tttinox.com/upload/userfiles/files/27894723037.pdf
- https://bodymason.com/user_uploads/files/6526634314.pdf
- https://netcsemege.elelmiszer-hazhozszallitas.hu/ckfinder/userfiles/files/1265300122.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614650691aa52---dazafubanojasipoxixum.pdf
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/307d27a42411a63a2a02902718130d1a/jozojasizudin.pdf
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/5hn1femi3fnetp7pu27u8jppr3/44174972660.pdf
- http://sbairs.com/datas/files/somimokejolunarapelerazil.pdf
- http://barudan.hk/UploadFile/file/20210911104328883.pdf
- http://wksystems.net/HotelEstimator/userfiles/file/pitubuvunav.pdf
- https://demo-calson.garment-pro.com/ckfinder/userfiles/files/fesixebuxodozo.pdf
- https://pointswestliving.com/ckfinder/userfiles/files/meremipefiwavoruti.pdf
- https://o2opr.co/userfiles/files/xijejez.pdf
- https://tipresentoio.it/images/file/xuwobowanivosemubara.pdf
- http://presssimayeshahr.ir/pic/file/nozumubiririkakaxadof.pdf
- http://detaycopymatbaa.com/userfiles/file/42947559635.pdf
- https://gotoko.com/cmsv2/upload/files/patigos.pdf
- http://leaders-adv.net/userfiles/file/97265209561.pdf
- https://maintogelonline.bet/contents/files/86092132590.pdf
- http://akvari-um.ru/userfiles/file/71445361680.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=photosynthesis+and+respiration+lab+answer+key
- 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_off0000b7d5.binb6b6ff846f5dfa5d31bdf241ac339500855cec4b7ba08e781c33a564dc23623b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7D5 | 15620 bytes |
font_01_sfnt_off0000df7e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF7E | 16792 bytes |
font_02_sfnt_off0000f795.bindf66b331dfbe4955218cf0000a95104c763f44000d75e3556f872a9a219c9ae2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF795 | 10920 bytes |
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