MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by multiple heuristics and a machine learning classifier, indicating a high likelihood of malicious intent. It contains a significant number of embedded URLs, many pointing to disposable domains or redirectors, suggesting a link farm or phishing campaign. The presence of a link to 'yafferge.ru' with a 'ssa representative payee report online' UTM term further suggests a potential phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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 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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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://yafferge.ru/aws?utm_term=ssa+representative+payee+report+online In PDF document text
- https://cdn.sqhk.co/sobilowibid/iagdhh8/pazudanujagixelilotibu.pdfIn PDF document text
- https://cdn.sqhk.co/munoforifuso/Nibhgyp/pazixodo.pdfIn PDF document text
- https://cdn.sqhk.co/vadetegubufo/03hagi2/dark_forest_cat_name_generator.pdfIn PDF document text
- https://valofapapedor.weebly.com/uploads/1/3/1/1/131164243/1762515.pdfIn PDF document text
- https://cdn.sqhk.co/xovujiroveg/cdjkkpm/stupid_zombies_3_hack_mod_apk_download.pdfIn PDF document text
- https://fejilezujew.weebly.com/uploads/1/3/4/3/134340931/wefituz.pdfIn PDF document text
- https://gimimelaxagoke.weebly.com/uploads/1/3/2/7/132740951/vovupoxuwexe.pdfIn PDF document text
- https://zatitudebijozi.weebly.com/uploads/1/3/4/4/134460539/411dea.pdfIn PDF document text
- https://cdn.sqhk.co/gederanew/dhejbjc/50423082531.pdfIn PDF document text
- http://storezone.info/lurubowokenesuduvexao7a65.pdfIn PDF document text
- https://cdn.sqhk.co/dufelogaruf/hdjimhb/kisorovefafovuguziveguwob.pdfIn PDF document text
- http://c-advance.space/kaxovfyms2.pdfIn PDF document text
- https://cdn.sqhk.co/pujixefan/hj9jcjY/borupibikegomeku.pdfIn PDF document text
- https://pojojupekofep.weebly.com/uploads/1/3/4/7/134754506/1502891.pdfIn PDF document text
- http://atomyimperial.ru/kenmore_heavy_duty_70_series_manualvro58.pdfIn PDF document text
- https://cdn.sqhk.co/rijomawonuj/heV6hdi/seven_virtues_of_bushido_wallpaper.pdfIn PDF document text
- https://bumekutuwa.weebly.com/uploads/1/3/1/4/131452846/871379.pdfIn PDF document text
- https://wuzovogupo.weebly.com/uploads/1/3/4/7/134720757/52720.pdfIn PDF document text
- http://stnold.com/superstar_life_hackswblhf.pdfIn PDF document text
- https://cdn.sqhk.co/pijavagoke/cgghchj/new_fnaf_mod_for_minecraft_1._12._2.pdfIn PDF document text
- https://cdn.sqhk.co/dakuwuwuzije/BR05ugg/5017909074.pdfIn PDF document text
- https://vuvonuzomuvi.weebly.com/uploads/1/3/4/5/134508102/kuzosub.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000f346.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF346 | 5076 bytes |
SHA-256: 4f2be6e3822cdd817ee75dc5831e65908da1768aaa7befc25d9394ce61b52746 |
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font_01_sfnt_off000104a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104A1 | 10520 bytes |
SHA-256: 447122dfc6a50dd40b7ea5e2848188ecc465c2021bf0611e202ec658756cf121 |
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