MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO spam operation. The document body, though heavily obfuscated, appears to contain text related to 'reducing fractions worksheet 5th grade pdf', which is likely a lure to attract victims. The presence of multiple external URIs and the overall structure strongly suggest it's designed to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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/strik?utm_term=reducing+fractions+worksheet+5th+grade+pdf PDF link annotation
- https://labafapagitef.weebly.com/uploads/1/3/1/6/131637364/2645490.pdfIn PDF document text
- https://cdn.sqhk.co/javatepate/NibhjgJ/48407298673.pdfIn PDF document text
- https://cdn.sqhk.co/vadetegubufo/9P4jdjg/viridian_forest_let_s_go.pdfIn PDF document text
- https://wapixanap.weebly.com/uploads/1/3/1/1/131164574/2766054.pdfIn PDF document text
- https://cdn.sqhk.co/riketumes/eZvgchl/zara_black_friday_2020_romania.pdfIn PDF document text
- https://cdn.sqhk.co/bijukipuj/eu4Qiju/nalas.pdfIn PDF document text
- https://cdn.sqhk.co/xiwasazafu/7mCjiic/69425887948.pdfIn PDF document text
- https://cdn.sqhk.co/tidilotofuka/hiifmja/free_blank_letter_template.pdfIn PDF document text
- https://mipijanifubu.weebly.com/uploads/1/3/0/7/130739658/c33df42fcb41.pdfIn PDF document text
- https://cdn.sqhk.co/tofepojafuz/f2gh26g/zifilenilus.pdfIn PDF document text
- https://cdn.sqhk.co/pefisemise/jatYg6V/jawupib.pdfIn PDF document text
- https://xereritotof.weebly.com/uploads/1/3/1/0/131070340/6d01dc14cf7.pdfIn PDF document text
- https://rinapaluvubozi.weebly.com/uploads/1/3/4/6/134669605/kelul.pdfIn PDF document text
- http://palaxofivuleduj.medianewsonline.com/english_level_test_a1_beginner.pdfIn PDF document text
- https://vuxojamobepu.weebly.com/uploads/1/3/4/3/134333522/fujuj.pdfIn PDF document text
- https://cdn.sqhk.co/kewawukufiju/hdifiho/utorrent_latest_version_cnet.pdfIn PDF document text
- https://cdn.sqhk.co/besudamuge/bpeidJJ/hitman_go_definitive_edition_ps4_review.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/xufaxoferugod/computer_physics_communications_latex_template.pdfIn PDF document text
- https://s3.amazonaws.com/tirimofufemukat/wapulirubaloxubaxuf.pdfIn PDF document text
- http://makakanow.onlinewebshop.net/22645782570.pdfIn PDF document text
- https://s3.amazonaws.com/zafaronivaj/delta_10_band_saw_tires.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000de5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE5A | 3144 bytes |
SHA-256: f43c3c4636b252422b6484477cee2cb5f50e5c8ead4763327aaa57baef5b4787 |
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font_01_sfnt_off0000e97d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE97D | 5672 bytes |
SHA-256: 0a514e83581c993ff6b21de435a2ed6cf6e83e81dc388daa9f68254727290789 |
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font_02_sfnt_off0000fcee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCEE | 10920 bytes |
SHA-256: b7834464e82ffd8d203a45465c3c8dfd44fcf8536845ee2d769474287379a920 |
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font_03_sfnt_off00012224.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12224 | 16204 bytes |
SHA-256: a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd |
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