MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://zajinet.ru/strik?utm_term=best+reloading+manual+for+223 PDF link annotation
- https://cdn.sqhk.co/tarudifirew/EXYljis/bubble_mobile_pet_grooming.pdfIn PDF document text
- https://cdn.sqhk.co/kalusoxat/jhbUQjb/variporatagomodaxofevuva.pdfIn PDF document text
- https://cdn.sqhk.co/matezafun/Whgowje/bafg_berlin_anlage_2_zu_formblatt_1.pdfIn PDF document text
- https://cdn.sqhk.co/koporikog/TB8WheC/personalized_happy_birthday_cake.pdfIn PDF document text
- https://cdn.sqhk.co/jejefudebuxi/nYjbRoj/galaxy_watch_active_2_bands_near_me.pdfIn PDF document text
- https://cdn.sqhk.co/leporolino/YihoNET/concerto_radio_italia_live_2020.pdfIn PDF document text
- https://cdn.sqhk.co/xarupozikala/sihxjhA/upgrade_sqlite_database_android.pdfIn PDF document text
- https://cdn.sqhk.co/vajirasavuz/gjghKiI/snapchat_support_my_snap_streaks_disappeared.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://91ca87c2-c493-4616-adaa-fbcec45394e1.filesusr.com/ugd/6116da_4eace9d3fe0e4091b684bf1aeedd987b.pdf?index=trueIn PDF document text
- https://734e8db3-b9db-457c-abaa-08c06218e7ae.filesusr.com/ugd/f6bb82_f7aed59e77da4b2a80df255b5e73c96b.pdf?index=trueIn PDF document text
- https://03dfb0eb-7fe6-4188-ad87-ea2b88df7b19.filesusr.com/ugd/f967ac_539196db7b52470c8e22865caad2d6f8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/48e8dfaa-346b-499f-83d5-bce11b635a28/wutetule.pdfIn PDF document text
- https://cc0b58a5-7bf4-4b41-9cd7-d9bc0cd2cc6f.filesusr.com/ugd/6dc98b_57fb69d214904c00902eff1d44d48547.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ca283911-0b00-44c8-a8d5-eb109586cb29/diary_of_a_wimpy_kid.pdfIn PDF document text
- https://5e6d3f51-9b35-4a29-baf4-1f036254a461.filesusr.com/ugd/99a8f2_e226da6983dd4c288821397984beac0b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gifojuxaxeva/android_version_percentage_of_users.pdfIn PDF document text
- https://ad0d0dbb-669b-46a9-85df-79487014a0f3.filesusr.com/ugd/00d95d_37e3aaf301414f04a5a54316e7a1b264.pdf?index=trueIn PDF document text
- https://4f640d82-8365-4c22-93d6-dbd3427c3fb0.filesusr.com/ugd/55e8b7_3e28f779e8d74548bc07c338d5bd9813.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ba8a3a97-e005-4e58-a547-c9bab1f3aa3a/62474520894.pdfIn PDF document text
- https://0dd4521b-3e41-4083-9bcc-807cce03ae78.filesusr.com/ugd/cfe2e9_a362e6d4a37a4e3abf4d6710020cdf4d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dinilederu/quiz_questions_and_answers_on_indian_army.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_off00011af1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AF1 | 5572 bytes |
SHA-256: 9a4717f523735acba31eca631b9203a4da0a89447daaebeec4d0e78cd51fad5c |
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font_01_sfnt_off00012dd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DD4 | 11012 bytes |
SHA-256: 95d05b9adfa4603687cd517f1b1b989c6e0c94455f2af84ad94f847046dfcc77 |
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