MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is classified as malicious, likely due to its use of a fake invoice or payment lure. It contains an embedded URI pointing to a URL that appears to be part of a link farm on disposable hosting, suggesting a phishing or malware distribution attempt. The document's content, though heavily obfuscated, is associated with instructions for a tax form, further supporting a phishing pretext.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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 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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://jumiwimov.ru/strik?utm_term=district+of+columbia+form+d-30+instructions PDF link annotation
- https://cdn-cms.f-static.net/uploads/4404299/normal_6034f3573e658.pdfIn PDF document text
- http://promoocaoameericanas.com/what_are_union_contract_negotiationsr8b98.pdfIn PDF document text
- https://cdn.sqhk.co/toruwapelot/eF04S9w/zaviluzewotazoloxude.pdfIn PDF document text
- https://cdn.sqhk.co/vavetiset/jbjdjgD/ffa_symbol_worksheet.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405946/normal_606ea5fe9ee01.pdfIn PDF document text
- http://nopezimugabotik.mygamesonline.org/40828284005.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404983/normal_6035c3d575c66.pdfIn PDF document text
- http://mx50off.info/what_intermolecular_forces_are_found_in_ccl4vwkcd.pdfIn PDF document text
- http://easterthjg.com/vizio_sb2920-c6_remote_codehj6q6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447250/normal_604797c40dcb2.pdfIn PDF document text
- http://jokerisirefole.22web.org/44959875047.pdfIn PDF document text
- https://cdn.sqhk.co/bugininaxi/DichcsG/43891452764.pdfIn PDF document text
- http://jurelireroxux.22web.org/19947132829.pdfIn PDF document text
- https://cdn.sqhk.co/nujodusuwud/jdicK2A/goosechase_app_review.pdfIn PDF document text
- http://newoxoxi.mywebcommunity.org/biddeford_electric_blanket_remote_blinking.pdfIn PDF document text
- http://universe1.space/4870826411978t05.pdfIn PDF document text
- http://momentshop.space/food_chain_vs_food_web_edhelper_answersmcjp4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4447631/normal_5fc816974d934.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://tijuvewoduga.onlinewebshop.net/19466879.pdfIn PDF document text
- https://050a9d39-d8a1-4107-8be8-b2b70b72e454.filesusr.com/ugd/5262df_e9c9288749dc4293915b082d12f7ec64.pdf?index=trueIn PDF document text
- https://493f174a-a540-412c-bacb-e5b7b26cbfcf.filesusr.com/ugd/95bb70_01825efbf29a41a88b9cdb540b2427b4.pdf?index=trueIn PDF document text
- http://muviwozusisewer.rf.gd/dewalt_extreme_100_piece_mixed_drill_bit_set.pdfIn PDF document text
- https://9cfe8934-cc69-4f76-a0d0-2e9849ea4530.filesusr.com/ugd/fd9558_b0068c746c454ee2905bb0f7ec2164b7.pdf?index=trueIn PDF document text
- https://b1f0a730-f0e4-4bcf-918d-a915077b90d0.filesusr.com/ugd/a7c69d_5985050bd74f47508529f94fd011a485.pdf?index=trueIn PDF document text
- http://tibibexubedumu.rf.gd/full_form_of_iq_eq_and_sq.pdfIn PDF document text
- https://104e0e48-a4c2-4a03-8647-06ef64d4e6ac.filesusr.com/ugd/e2c6c1_93c1f80cce884d2f87829dbebffa24f6.pdf?index=trueIn PDF document text
- http://viwudajokufado.atwebpages.com/bubble_answer_sheet_template.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_off0001a951.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A951 | 5644 bytes |
SHA-256: 0f21193c4211bd1d067b70f09fc11d51a8e0edee718873ce77d453ab76278150 |
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font_01_sfnt_off0001bc71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BC71 | 11780 bytes |
SHA-256: 4216120dcbca685291f2101ba0d5ed400108cc169d0bf199622b159e80311893 |
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