MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to disposable hosting, and is flagged as a link farm. The document body, though heavily obfuscated, contains text related to "Sickle cell anemia pdf download", suggesting a lure to trick users into clicking on the embedded links. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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 https://resalured.ru/award?keyword=sickle+cell+anemia+pdf+download PDF link annotation
- http://theandyhong.com/control_of_electrical_drives_leonhardht8p9.pdfIn PDF document text
- https://jenodaxadow.weebly.com/uploads/1/3/4/0/134012655/vigiwo-wilufotubifa-sobol.pdfIn PDF document text
- https://nenogeva.weebly.com/uploads/1/3/4/6/134661531/jozires.pdfIn PDF document text
- http://reduslim-eu.site/vijojagagesifijopigudoe5vxr.pdfIn PDF document text
- http://discount50.pro/cream_miniature_long_haired_dachshund_puppies_for_sale_californiahlv7b.pdfIn PDF document text
- http://imedo.ru/90207033722i4tpk.pdfIn PDF document text
- http://beremoter.online/tejumuguvskhn7.pdfIn PDF document text
- http://shoop-fm.ru/reckless_rider_3d_hoverboard_smart_self-_balancing_wheel5up7l.pdfIn PDF document text
- https://merusomewazotom.weebly.com/uploads/1/3/4/5/134514041/1c0873021a.pdfIn PDF document text
- https://talovilivakalod.weebly.com/uploads/1/3/5/3/135326419/bomenig.pdfIn PDF document text
- http://mofemaruwek.sportsontheweb.net/33671764669.pdfIn PDF document text
- http://thelandofbadideas.com/moxalitegoxewuxoveriqb771.pdfIn PDF document text
- http://wepisoja.mypressonline.com/how_to_find_the_limits_of_a_piecewise_function_graphically.pdfIn PDF document text
- http://rasudilikid.mywebcommunity.org/bosuxefagizozagakisenune.pdfIn PDF document text
- https://denimuka.weebly.com/uploads/1/3/4/5/134582609/8d0bbc0.pdfIn PDF document text
- http://zunuruxeguxifi.mygamesonline.org/awakening_the_heroes_within_carol_pearson.pdfIn PDF document text
- http://goodsun.space/8678213425h04i7.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://c11ab09e-384c-4904-8c79-5ef6f38008df.filesusr.com/ugd/7131a6_f31fcbf8a23946559bfe28abddca9cd7.pdf?index=trueIn PDF document text
- http://wikukodukoja.onlinewebshop.net/basal_metabolic_rate.pdfIn PDF document text
- https://7f1888b6-cdab-4603-9914-1cf81a8b29aa.filesusr.com/ugd/6846fe_1db168aa5cf04f9c9d2c0e0710d719aa.pdf?index=trueIn PDF document text
- https://92ddf5cc-4ce7-4caf-b117-8241c553a727.filesusr.com/ugd/42bae0_67ec3a126c8542d89ac412ba0777d773.pdf?index=trueIn PDF document text
- http://saxodanokijaj.atwebpages.com/88041319612.pdfIn PDF document text
- https://3f46bf15-0a8c-4e80-b3e5-a2e3bf90e008.filesusr.com/ugd/8e6e76_d6c642a5b18e442eb0498d663de34353.pdf?index=trueIn PDF document text
- http://lewinozed.atwebpages.com/zazujowusal.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://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_off0000eaf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAF1 | 5284 bytes |
SHA-256: 6346f170bcb8a7d447a096fbefcbe0f6480a6289a817789f4d43b7447dc15577 |
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font_01_sfnt_off0000fcfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCFB | 10652 bytes |
SHA-256: c20675a7ed736c6700eca6c1420fb1bdf052fa4a3daaa893789d2fb322ab0586 |
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