MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The document body text, while appearing to discuss a health-related topic, is likely a lure to disguise the malicious intent of directing users to potentially harmful websites. The ML classifier strongly indicated maliciousness, supporting the assessment of a link-farming attack.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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://ttraff.me/pify?keyword=ghb+is+a+safe+alternative+to+steroids
- http://files.pdxprays.com/uploads/1/3/0/7/130775635/fuvif-kipefofupuluke-noveguga-sorijebilewi.pdf
- http://files.segsprescue.org/uploads/1/3/2/6/132695551/fumeriluwanug.pdf
- http://porod.venetoreview.com/uploads/1/3/0/8/130814687/gudifiwowir.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0439/0082/9848/files/faithful_pvp_texture_pack.pdf
- https://cdn.shopify.com/s/files/1/0428/1230/9671/files/jogok.pdf
- https://cdn.shopify.com/s/files/1/0434/4784/5021/files/ceramic_materials_book.pdf
- https://cdn.shopify.com/s/files/1/0433/1352/8987/files/phonics_worksheets_for_kindergarten.pdf
- https://cdn.shopify.com/s/files/1/0431/0866/3462/files/a_memory_of_light_download.pdf
- https://cdn.shopify.com/s/files/1/0429/3374/7878/files/towexoviniluneduxijumatem.pdf
- https://cdn.shopify.com/s/files/1/0434/4204/5090/files/bixler_3_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/8164/6758/files/fsbo_madison_wi.pdf
- https://cdn.shopify.com/s/files/1/0427/9681/0396/files/cechy_charakteru_angielski_wiczenia.pdf
- https://cdn.shopify.com/s/files/1/0439/0181/2904/files/caldeiro_azul_marcelo_gleiser.pdf
- https://cdn.shopify.com/s/files/1/0429/6245/2643/files/proceso_de_absorcion_de_nutrientes.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006f1f.bin8b2dff366398dad5f0bad23f565cbd5e6628436bc55ba8293862011aa4fee37b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F1F | 5260 bytes |
font_01_sfnt_off000080ff.binc69b82fd34344c5c25cb9ed883e0b3bf3532a99b3b4c97dace6bdff32d9faf0b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80FF | 10352 bytes |
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