MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm and a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains text related to academic papers and a URL that is also present in the heuristics and IOCs. This suggests a phishing attempt to redirect users to malicious content.
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.link/wix?keyword=anthropology+appreciating+human+diversity+pdf+free
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://a86a66e0-de0f-46b7-87a0-1e227422e571.filesusr.com/ugd/895bef_72493e1ca2fb45bc896dbecedca6f67d.pdf?index=true
- https://a7fcfedd-6b4e-4311-9a8a-995b424894f9.filesusr.com/ugd/de60da_8c7b43780ebe44a38807f0107836e7c8.pdf?index=true
- https://2b723ff3-d2cf-4b36-b0d9-0eb076047d2a.filesusr.com/ugd/f99735_ef8bafa8e9a44f25b076b5ed89a277fc.pdf?index=true
- https://b27f202c-d2c5-4c16-9d7b-9020d1502e32.filesusr.com/ugd/cc3ca9_826dc7bfff1c4d5583891b04bcbafbcb.pdf?index=true
- https://cdn.shopify.com/s/files/1/0432/3826/0899/files/83841008150.pdf
- https://cdn.shopify.com/s/files/1/0432/4986/0765/files/hypertension_in_pregnancy_acog_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0434/0252/6872/files/robez.pdf
- https://cdn.shopify.com/s/files/1/0459/8949/4951/files/6030331428.pdf
- https://cdn.shopify.com/s/files/1/0432/1925/5454/files/1737829297.pdf
- https://cdn.shopify.com/s/files/1/0431/5417/8216/files/55447773655.pdf
- https://cdn.shopify.com/s/files/1/0429/8443/9971/files/58722090469.pdf
- https://cdn.shopify.com/s/files/1/0436/0473/8206/files/4266124815.pdf
- https://cdn.shopify.com/s/files/1/0437/8253/7365/files/oliver_mtukudzi_music_free.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_off0000448e.bindd0b062b86cd01765245991b11d515a96b6d1d0b1e11f0bdd109927d2051b4a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x448E | 5720 bytes |
font_01_sfnt_off000057e8.bin3b3e6d817ae89aa7d5b453e1a74df29cedbad432e6b5304935cb8bc1c9d29fc1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57E8 | 9684 bytes |
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