MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple embedded URLs pointing to known malicious redirectors and disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body, though heavily obfuscated, contains references to 'wordpress login shortcode' and 'wkhtmltopdf', suggesting a lure for credential harvesting or a disguised malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 5
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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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/strik?utm_term=wordpress+login+shortcode In PDF document text
- https://ligibumifi.weebly.com/uploads/1/3/4/6/134647936/8268059.pdfIn PDF document text
- http://rivuxini.66ghz.com/bang_bang_hd_tamil_movie_free.pdfIn PDF document text
- https://luzulobopado.weebly.com/uploads/1/3/2/6/132681737/zapexirimun.pdfIn PDF document text
- http://hargotel.xyz/why_is_my_hp_photosmart_5520_not_printing76d5i.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4494883/normal_5fda18a5315b3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476427/normal_602af81fb1f54.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489834/normal_5fed1b026d66a.pdfIn PDF document text
- https://lukadivosegiga.weebly.com/uploads/1/3/4/6/134679105/lojowinib_zinenolifo_tomulepaz_rokorej.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388598/normal_603ce72d33d9b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365639/normal_60672a83e9c8f.pdfIn PDF document text
- https://xutafutixon.weebly.com/uploads/1/3/4/5/134576274/sanimanijexikufu.pdfIn PDF document text
- http://motivawka.online/jumping_the_broom_soundtrack_itunesik3ds.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450045/normal_5fe4831bacf19.pdfIn PDF document text
- http://spindlndou.space/854822042136ek6u.pdfIn PDF document text
- http://koolmaxt.online/83240168711897ry.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420743/normal_606987f69620c.pdfIn PDF document text
- http://albatros-trans.ru/10_snf_kimya_esen_yaynlar_indir6tzoa.pdfIn PDF document text
- http://vefatata.22web.org/tamilnadu_attendance_app.pdfIn PDF document text
- http://nipikul.22web.org/causal_inference_for_statistics_social_and_biomedical_sciences.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://malusamum.rf.gd/angielski_dla_pocztkujcych_testy.pdfIn PDF document text
- http://zapofekeba.rf.gd/riledafinovisolomofanex.pdfIn PDF document text
- http://kedukalof.epizy.com/nucleophilic_addition_reaction.pdfIn PDF document text
- http://mozutebileba.rf.gd/bakazigunetuxigid.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
- https://developer.wordpress.org/reference/functions/sanitize_text_field/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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d1a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1A4 | 5140 bytes |
SHA-256: 95f441d39695131665fa40dd0016f9136700dc0777cae96d706c0b06fcb21e8e |
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font_01_sfnt_off0000e329.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE329 | 10632 bytes |
SHA-256: 4edd36218510eaad48bda849b48537e2b4a91777c89251b55da6b839ebb4b463 |
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