MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics as malicious, including a critical alert for linking to known malicious redirector infrastructure. The document body is heavily obfuscated, but the presence of numerous links, one of which is confirmed malicious, strongly suggests a phishing or malware distribution attempt. No scripts were extracted, but the PDF structure itself facilitates the redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 5
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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 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/strik?utm_term=descriptive+short+story+sample In PDF document text
- https://cdn.sqhk.co/mibemofega/haQghHr/carnival_ring_toss_strategy.pdfIn PDF document text
- https://cdn.sqhk.co/bolukawet/9giLsyi/dividing_polynomials_problems_and_answers.pdfIn PDF document text
- http://sejujanovemo.medianewsonline.com/88971473044.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373281/normal_602d45daced04.pdfIn PDF document text
- http://zujuzerawijuk.medianewsonline.com/ludzie_bezdomni_test.pdfIn PDF document text
- https://povarudoro.weebly.com/uploads/1/3/5/3/135324530/3457880.pdfIn PDF document text
- https://cdn.sqhk.co/dusujukakal/iiicd1H/13863689837.pdfIn PDF document text
- https://cdn.sqhk.co/bajafigotuvi/aYwjjhg/harry_potter_hogwarts_mystery_quidditch_event.pdfIn PDF document text
- https://cdn.sqhk.co/kinubowa/fhdDOh1/dandara_trials_of_fear_apk_1._3._51.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387718/normal_605380c4dbe16.pdfIn PDF document text
- https://dawosovakix.weebly.com/uploads/1/3/6/0/136097295/petiweluxaxu-wamak-famemogasav-tujesesumum.pdfIn PDF document text
- http://mobufuwiwid.medianewsonline.com/panasonic_genius_prestige_plus_microwave_manual.pdfIn PDF document text
- http://zexejodubaxiku.mygamesonline.org/strona_bierna_angielski_wiczenia_do_druku.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/348bee24-1ec6-4262-ad00-98baae59eacb/what_are_the_12_traditions_of_alcoholics_anonymous.pdfIn PDF document text
- https://ea64ff4c-51e6-4efc-8cc1-399682447901.filesusr.com/ugd/961f18_613f88bbd75045d7afb0dfae0ca3f346.pdf?index=trueIn PDF document text
- https://9fbaa0db-fe9e-443e-b503-3d02ea494c21.filesusr.com/ugd/d417e9_c404cc39a45d49c1902576eb2c208e06.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d856b69f-fdf0-46bc-9581-61c287528634/the_birds_nest_cafe_new_orleans.pdfIn PDF document text
- http://degevojorak.myartsonline.com/belief_in_yourself.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d02ce14b-30da-43c8-b2ea-f636692e2c35/ruzafixowifesamowipuz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b4cf3dbb-ef39-4852-ab8e-79f5b4ecf0ff/different_types_of_psychological_tests.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f32b08b4-82eb-4285-b6f4-ce27dd06d5d8/educational_psychology_masters_online_uk.pdfIn PDF document text
- https://968bac2e-1409-45a7-bd11-2c37eba47390.filesusr.com/ugd/c81504_3dfe8f9cb3874e92b70a849eb92df47d.pdf?index=trueIn PDF document text
- https://b73db3ac-2e3c-475a-83ab-7f4668f00a8f.filesusr.com/ugd/80e8fa_27049b0e60574cfbb4910fcce773e6cb.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000104e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104E8 | 5336 bytes |
SHA-256: bf7f6fb98df4601d83b2b63909c546cbdf4eef17ad3d8890248d618f5a1af1ae |
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font_01_sfnt_off000116f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116F7 | 10704 bytes |
SHA-256: 335f4de6220320fef0834a67a3d52c698c9820988fb51d3b2ad71bba2b8f7c8b |
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