MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a significant number of external links, many pointing to disposable domains, indicating a link farm or SEO manipulation tactic. ClamAV and ML classifiers identified the file as malicious, specifically a phishing trojan. While no scripts were extracted, the embedded URLs are the primary indicators of malicious intent, likely leading to phishing sites or further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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://xajibur.ru/award?keyword=brush+lettering+free+practice+sheets+pdf PDF link annotation
- http://ferategaj.scienceontheweb.net/how_to_print_heat_transfer_vinyl_silhouette_cameo_3.pdfIn PDF document text
- http://xanejog.medianewsonline.com/30885481023.pdfIn PDF document text
- http://sugewute.22web.org/52381379165.pdfIn PDF document text
- http://gadosamu.iblogger.org/good_friday_agreement.pdfIn PDF document text
- http://tinesemexogo.mygamesonline.org/alice_in_wonderland_jr_student_book.pdfIn PDF document text
- http://toxusuzom.mypressonline.com/the_buganda_agreement_1900.pdfIn PDF document text
- http://wotukujis.sportsontheweb.net/nataninididemososurema.pdfIn PDF document text
- http://ruwazumusef.scienceontheweb.net/what_should_an_air_fuel_ratio_sensor_read.pdfIn PDF document text
- http://fixebojamofi.iblogger.org/27889130326.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://f8b2de7a-6012-4721-b8f1-df5267d6bb95.filesusr.com/ugd/8ebb60_951da26b041c4919a2c043180e6b3ff5.pdf?index=trueIn PDF document text
- http://tatesit.myartsonline.com/cell_respiration_process.pdfIn PDF document text
- https://df4002df-ed14-466c-b758-10ced248c840.filesusr.com/ugd/3b03e6_c595d48c8c8c4c7d8dab05eb9a464a98.pdf?index=trueIn PDF document text
- https://8cff94d3-ecab-4ea5-ad27-d3e67d02fd32.filesusr.com/ugd/2813e2_5dc38d427a4c40948b62c5f191097a06.pdf?index=trueIn PDF document text
- https://c216880a-03a2-4774-ab7e-121c93799e8f.filesusr.com/ugd/b5aed9_50b47b31cda64b7682a81e7fc28036d4.pdf?index=trueIn PDF document text
- https://a815f367-2516-4b88-9496-eed07d5c1eb7.filesusr.com/ugd/665c20_2b05f5c1476447e6bb101b77262891dd.pdf?index=trueIn PDF document text
- https://5a995288-ce6f-4ae3-a3e6-14272d8003db.filesusr.com/ugd/7be1cd_2cd9d48327824effb394b08d4ca881eb.pdf?index=trueIn PDF document text
- https://36535336-4f9e-4c0a-b1ad-3385cb5d4299.filesusr.com/ugd/15ebe2_99a3e8fc6ff848e5b2b80393505ca1ac.pdf?index=trueIn PDF document text
- https://8ecf7690-1f99-4e28-a4b6-3228ba9731d7.filesusr.com/ugd/63d3ad_3db8f8abf70a4880acfb14cb2627f337.pdf?index=trueIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e730.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE730 | 5468 bytes |
SHA-256: bcac9585f204f0dd23409504f304b7dbc88539cc578addb6a36cb9d2b3ae644c |
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font_01_sfnt_off0000f9c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9C8 | 10896 bytes |
SHA-256: a3a05fb29017661ec444b18d0f53f6ce991d789c966b126a6f528e3f89d0a037 |
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font_02_sfnt_off00011f18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F18 | 16192 bytes |
SHA-256: 75499cce6ae774eb1ed11ef55a8e4af94387e50334f2f733f224f7d1a8712777 |
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