MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a mass external link farm, with many links pointing to disposable hosting and utilizing UTM parameters, indicating a likely phishing or SEO manipulation scheme. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan. Although no scripts were extracted, the PDF structure and external links are indicative of a malicious lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9934
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://seumenha.ru/strik?utm_term=who+is+the+biggest+car+seller+in+the+world PDF link annotation
- https://cdn-cms.f-static.net/uploads/4426944/normal_60672f16a4831.pdfIn PDF document text
- https://bafumujem.weebly.com/uploads/1/3/4/4/134498711/lexafuv.pdfIn PDF document text
- http://mugukix.mygamesonline.org/14029552935.pdfIn PDF document text
- https://s3.amazonaws.com/kelukakeb/what_streaming_service_has_how_the_grinch_stole_christmas_canada.pdfIn PDF document text
- https://cdn.sqhk.co/disonixures/gjpQhdY/defender_3_mod_apk_unlimited_all.pdfIn PDF document text
- https://s3.amazonaws.com/xupimaral/how_many_books_are_in_the_diary_of_a_wimpy_kid_collection.pdfIn PDF document text
- https://cdn.sqhk.co/pewesopefim/jbjjNgi/allegiant_stadium_seating_chart_view.pdfIn PDF document text
- http://maritimog.medianewsonline.com/list_of_acids_present_in_fruits_and_vegetables.pdfIn PDF document text
- https://kuwuxegizeduki.weebly.com/uploads/1/3/2/6/132695805/xubobinofuzuv-taxim.pdfIn PDF document text
- http://baditunabupiru.mywebcommunity.org/46623828995.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465249/normal_602bee910093b.pdfIn PDF document text
- https://cdn.sqhk.co/sudofeno/hm6SFzg/adding_subtitles_to_video_android.pdfIn PDF document text
- https://cdn.sqhk.co/bitaxukezor/igLhcUh/fidetaj.pdfIn PDF document text
- https://rifuxegu.weebly.com/uploads/1/3/4/5/134525143/9704917.pdfIn PDF document text
- https://tusidotug.weebly.com/uploads/1/3/4/4/134482214/tusop.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4394060/normal_60153f6589bb9.pdfIn PDF document text
- https://sopetenoredu.weebly.com/uploads/1/3/5/3/135318191/xulokesalulakid.pdfIn PDF document text
- https://cdn.sqhk.co/zafilivopupu/lmiarhd/template_letter_for_job_offer_uk.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4477629/normal_5ffdb0b3b9790.pdfIn PDF document text
- http://warixedivukinat.mygamesonline.org/glencoe_chemistry_matter_and_change_online_textbook_free.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cf4de027-7369-46c2-bf93-d69cabef2b5e.filesusr.com/ugd/868b90_e893b06f2ac04853a979899e5ee9d3c9.pdf?index=trueIn PDF document text
- https://6632aaff-1fe9-4f1d-acb3-7d444e457837.filesusr.com/ugd/ce4b7c_d873e0edf54e404588bc5a26851c2d74.pdf?index=trueIn PDF document text
- https://89d37d93-eaf9-4fc7-8d5e-07438b8f18e7.filesusr.com/ugd/e80f4c_df78ecd38eb14cee8e016cb2f6e11a56.pdf?index=trueIn PDF document text
- https://d8acad56-eb9a-42d1-a06c-a695c5b02328.filesusr.com/ugd/0ad6c7_c50e2358af2a40a9a3fe5f01d3036468.pdf?index=trueIn PDF document text
- http://dogiwexor.myartsonline.com/english_grammar_book_for_class_12_up_board.pdfIn PDF document text
- https://9fb0fece-6c2a-4f8b-8ff1-5d9ea67f5ee7.filesusr.com/ugd/f6a907_b08431bede654ab59e8a461ef36fdfb2.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://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_off0001084a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1084A | 5448 bytes |
SHA-256: abad01358d30fa8f24cba22f0a457d99e648947dc05679215871601fb4a010bd |
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font_01_sfnt_off00011ae1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AE1 | 10756 bytes |
SHA-256: 6f636fd9ea8ba9918ad19b9e5d92c3f6becbde473fc0659719e7b01b97e2a7b9 |
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