MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO poisoning tactic. One of the primary links, https://ttraff.link/wix?keyword=pogil+activities+for+ap+biology+immunity+answers, is identified as a malicious redirector. The document body, though heavily obfuscated, contains this malicious URL and numerous other benign-looking PDF links, likely intended to disguise the malicious intent and distribute the malicious redirector.
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=pogil+activities+for+ap+biology+immunity+answers
- http://wazulebek.fairwaycommunity.com/uploads/1/3/0/7/130740607/8599972.pdf
- http://files.fretnotes.com/uploads/1/3/2/6/132695730/wirub.pdf
- http://dadajoje.grumpypuppybarkery.com/uploads/1/3/0/7/130776808/penumadexi.pdf
- http://files.wwvmc.net/uploads/1/3/2/6/132682640/48248945.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://ec1f89b8-4dcb-4a93-9196-745e7ce7ce90.filesusr.com/ugd/e80f4c_6620c76578ee45a9a481d17e790fe977.pdf?index=true
- https://cdddc31a-72ae-4b00-a5cb-76c2cfdcecbb.filesusr.com/ugd/cfbfd2_44f4e8d1b377432fb070298bd46ca378.pdf?index=true
- https://3d712c93-4c32-4d0d-9d6c-e773724b3008.filesusr.com/ugd/d38238_c6f0ca3d17884ec09dfbbb688b218531.pdf?index=true
- https://cdn.shopify.com/s/files/1/0429/9417/2058/files/nitrogen_generator_atlas_copco.pdf
- https://cdn.shopify.com/s/files/1/0461/9704/7445/files/peter_and_the_wolf_book.pdf
- https://cdn.shopify.com/s/files/1/0433/1782/1605/files/pegoxujobizal.pdf
- https://cdn.shopify.com/s/files/1/0482/9026/7300/files/40976662318.pdf
- https://cdn.shopify.com/s/files/1/0437/7231/3749/files/lipid_peroxidation_mechanism.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_off00009541.bina7f57519ade017f55c0a5f29c6f1a57836d1265742e6ab275d5444bb3c4870cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9541 | 5728 bytes |
font_01_sfnt_off0000a8d0.bin380c9ba0d96f026cd170229c23c8a1ebfdf311f15121ac4fa51bcdf62cd04a4e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA8D0 | 10096 bytes |
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