MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to disposable hosting domains, indicating a link farm or SEO manipulation scheme. One critical heuristic identified a link to known malicious redirector infrastructure. Additionally, the document body contains a high density of phone numbers, suggesting a potential phone scam pretext, though the primary function appears to be link distribution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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 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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Travel-support phone-number stuffing scam critical SE_TRAVEL_SUPPORT_PHONE_SCAMDocument repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
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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://ggtraff.ru/strik?keyword=arbuscular+mycorrhizal+fungi+pdf In PDF document text
- https://site-1036729.mozfiles.com/files/1036729/63715321936.pdfIn PDF document text
- https://site-1036681.mozfiles.com/files/1036681/26170606722.pdfIn PDF document text
- https://site-1038511.mozfiles.com/files/1038511/tewepolejegedaruvubole.pdfIn PDF document text
- https://site-1036800.mozfiles.com/files/1036800/digekivida.pdfIn PDF document text
- https://site-1036692.mozfiles.com/files/1036692/34860490792.pdfIn PDF document text
- https://site-1036945.mozfiles.com/files/1036945/vovinulelexexubaguta.pdfIn PDF document text
- https://site-1037130.mozfiles.com/files/1037130/80354941481.pdfIn PDF document text
- http://files.useoutside.com/uploads/1/3/2/6/132682897/bunezijebonuk-lijidi-movelerisosesu-sedemerinat.pdfIn PDF document text
- http://tukem.littlegoblingarments.com/uploads/1/3/2/6/132681012/kijupujizivanep-sixepoladeja.pdfIn PDF document text
- http://jegulo.fabriccreationsbyandrea.com/uploads/1/3/2/6/132681396/91bb65d.pdfIn PDF document text
- http://files.djasonbishop.com/uploads/1/3/0/7/130775786/44dcf9cde7.pdfIn PDF document text
- http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000158f6.bin)
- http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000158f6.bin)
- http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00019378.bin)
- https://uploads.strikinglycdn.com/files/20bb4c77-add9-470e-bf71-5d484c862d82/45412580929.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5eefc9a4-aede-4de9-9b17-a8dc12e4255f/vafedewetosopopezagirow.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d58bb841-909e-47ba-9040-c2b6b1cc14ad/zewiwezevuvikugawases.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/afaedb9b-319f-49dd-a1a6-21e3c61bf3c9/91255570343.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 extracted file (font_00_sfnt_off000158f6.bin)
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000158f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x158F6 | 5532 bytes |
SHA-256: c074895fc016e10ded3f8fee372df7cc35acd3f042446aff2255d36e4c0e4978 |
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font_01_sfnt_off00016b98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16B98 | 12268 bytes |
SHA-256: 4ef5de94e739583b5636a6f0e835a9234770ff2f9eb7160c8f47a0a687be82da |
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font_02_sfnt_off00019378.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19378 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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