MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing campaign. The document body, though heavily obfuscated, contains text related to a 'British red cross first aid course discount code', which is likely a lure to encourage clicks on the malicious URLs. The presence of numerous external links and the ML classifier's high confidence score indicate a malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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/strik?utm_term=british+red+cross+first+aid+course+discount+code PDF link annotation
- http://mapotilij.mygamesonline.org/autocad_to_converter_software_download.pdfIn PDF document text
- https://cdn.sqhk.co/linotepibubi/giLjgjh/find_hidden_object_games.pdfIn PDF document text
- http://lukiduxipapep.mywebcommunity.org/gunodusujabavipisudatak.pdfIn PDF document text
- http://jexekiraj.sportsontheweb.net/how_to_heat_a_costco_spiral_cut_ham.pdfIn PDF document text
- http://gebevojika.mygamesonline.org/pentatonic_blues_licks.pdfIn PDF document text
- https://cdn.sqhk.co/lisutovudaf/ggPXhbS/blended_taro_bubble_tea_recipe.pdfIn PDF document text
- https://cdn.sqhk.co/ropobemuma/bI4Bhcj/wstick_sticker_maker_wastickerapps.pdfIn PDF document text
- http://sipipewawezizuf.getenjoyment.net/wizards_and_warriors_pc_cheats.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/ca07247c-2756-43a4-b9ba-0350e612a183/tusovarovefisixigut.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7a9003cf-abf4-445a-8888-7c75a2b8c49c/how_to_install_ge_refrigerator_water_filter_rpwfe.pdfIn PDF document text
- https://adea4596-07c4-4c45-ba97-107779ed6dc5.filesusr.com/ugd/5bd9e2_0a431def29424571a732f007b43c19d9.pdf?index=trueIn PDF document text
- https://1cdd1dcb-54a5-4750-95ad-c4cce9a68cd1.filesusr.com/ugd/1e32c2_b120087cdd724991834193241a8fe4c7.pdf?index=trueIn PDF document text
- http://pedamodaw.onlinewebshop.net/lord_i_need_you_chords_b_flat.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/48ba5bc5-edd5-463b-984d-b78f3dcd0e38/naxuwigaxuderomujewuv.pdfIn PDF document text
- https://13adc596-845f-4f4a-b539-e2c04a0a4b5a.filesusr.com/ugd/6e2da7_8a5a351e82e54ea99bfa1ecf52f1a693.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9bf7524c-71d5-44cc-bce9-913b4aa86ad8/27456040848.pdfIn PDF document text
- https://305aa2e3-e1d2-413d-aa2e-f1bb83d03ded.filesusr.com/ugd/92ee2b_473fa205737d495caa7c45382bf86eba.pdf?index=trueIn PDF document text
- https://c216880a-03a2-4774-ab7e-121c93799e8f.filesusr.com/ugd/b5aed9_52524aa18bd941c3b535db2c6820acb0.pdf?index=trueIn PDF document text
- http://seroritubofa.atwebpages.com/56777489343.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5f2d7957-8652-415f-9eb6-708a458ac51c/blink_book_amazon_uk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0fd6b181-5cf9-4f66-8926-a2ea175d1e83/how_do_you_know_your_jlab_headphones_are_charged.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_off0000f69d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF69D | 5124 bytes |
SHA-256: 3083ef2180d86fb9068b7f97f39a84a4062612d5fb3a180dcdff075f70c42d61 |
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font_01_sfnt_off00010807.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10807 | 11812 bytes |
SHA-256: 71bdcfdb6223aff8bc5c8b219ebdbcd467d1e715f9fd995f03e9894c7ce320f8 |
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