MALICIOUS
284
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by multiple critical heuristics as malicious, including a redirector link and a link farm. The ML classifier also strongly indicated maliciousness. The embedded links, such as 'https://dafemum.ru/award?keyword=ejemplo+de+balanced+scorecard+de+coca+cola+pdf' and 'http://loginwithfb.site/wufafawidonunarubume43vac.pdf', are indicative of phishing or malware distribution attempts. The document's purpose appears to be directing users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 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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Image-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LUREPDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
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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/award?keyword=ejemplo+de+balanced+scorecard+de+coca+cola+pdf In PDF document text
- http://vamefegali.mywebcommunity.org/94913458349.pdfIn PDF document text
- https://limorevoxa.weebly.com/uploads/1/3/4/6/134611026/divejuridegopafuwur.pdfIn PDF document text
- http://xozonline.ru/28606712252953wf.pdfIn PDF document text
- https://zirakamu.weebly.com/uploads/1/3/1/3/131398357/numobojufukobu.pdfIn PDF document text
- https://xodetawutal.weebly.com/uploads/1/3/0/7/130774968/katividupo_zozaxifi_tigamegegotose_tikolefivedax.pdfIn PDF document text
- https://neboxikadifi.weebly.com/uploads/1/3/4/5/134588308/00e44ee75b48.pdfIn PDF document text
- http://pexiwaz.iblogger.org/adjectives_key_stage_2_worksheets.pdfIn PDF document text
- https://dirifulezidume.weebly.com/uploads/1/3/2/7/132740871/pudafibafoj_xotujatufex_lotenaz.pdfIn PDF document text
- http://jojujikipafoz.iblogger.org/ionic_android_emulator_network_error.pdfIn PDF document text
- http://loginwithfb.site/wufafawidonunarubume43vac.pdfIn PDF document text
- http://gosepakaf.getenjoyment.net/31587163011.pdfIn PDF document text
- http://pedosapabosa.iblogger.org/literary_term_examples_of_foil.pdfIn PDF document text
- http://makeyourself.xyz/dbx_160sl_pricetssoh.pdfIn PDF document text
- http://form-lnstagramcopyrightservice.com/is_coding_for_dummies_goodjixz4.pdfIn PDF document text
- http://fotubobuwenapu.scienceontheweb.net/18135563958.pdfIn PDF document text
- http://ellmax-site.xyz/pigutedutx4rtv.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- https://0115c081-d8bc-4983-a705-81db93bf1442.filesusr.com/ugd/990402_956453d1667e4d8b8677dc1439f7b367.pdf?index=trueIn PDF document text
- https://2eda13a9-9e0f-47dd-bbfa-a9a5028a3314.filesusr.com/ugd/61c57f_c051bde0ec9046bbad471dd0e04071a4.pdf?index=trueIn PDF document text
- https://e148473a-3d1a-46f8-b788-fbc1f5af68d4.filesusr.com/ugd/e1e70b_6c61e1b5257e4cbf9f833ecf70c15e60.pdf?index=trueIn PDF document text
- https://f7cac2f2-528f-490f-9bef-cb2448a877de.filesusr.com/ugd/529ba0_2cf412cf41cd42aead216cc0371a9510.pdf?index=trueIn PDF document text
- http://vimonaker.epizy.com/catholic_charismatic_prayer_group_format.pdfIn PDF document text
- http://nubibubimalepik.atwebpages.com/ankylosing_spondylitis.pdfIn PDF document text
- http://nujopeko.epizy.com/sevosasorelo.pdfIn PDF document text
- http://duwamiwimi.rf.gd/american_music_awards_2018_performers_vote.pdfIn PDF document text
- http://vigexop.rf.gd/related_studies_about_cosmetics.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
- http://www.gnu.org/licenses/gpl.htmlIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001007b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1007B | 5472 bytes |
SHA-256: 9f22260bf44d85efe7c260e2da71b4f278c3c9fee7a3296732ea3e61e6739ef9 |
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font_01_sfnt_off000112f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112F4 | 6068 bytes |
SHA-256: d8e4b7f44dfb66ea49c7f1cefd345a391fade3fb548cc17de4cdbf151663dabd |
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font_02_sfnt_off000122a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122A5 | 12716 bytes |
SHA-256: f0022e444a17571c15f196c4c9a34cc6092f4bcb4379cecde67dcb049ef55725 |
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