MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple critical heuristics indicating malicious redirector links and a link farm. The embedded document body contains a URL that points to a known malicious redirector, which is likely used to lure victims into clicking on further links. The presence of numerous external PDF links, many pointing to the same dominant host, suggests a coordinated effort to distribute malicious content or conduct phishing.
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.club/wix?keyword=brother+ml+100+standard+typewriter+m
- https://static.usrfiles.com/ugd/b8c837_93241c886a3e4ff28d10ec4dead6cf3e.pdf
- https://static.usrfiles.com/ugd/8b97dd_bfe944ba280442f3a8d160ec66c384e0.pdf
- https://static.usrfiles.com/ugd/b8c837_e10ee5f6e76d49589f79dae644af953f.pdf
- https://static.usrfiles.com/ugd/b8c837_2d089fc0ad8e456caa0a9e5e7193cf6c.pdf
- https://static.usrfiles.com/ugd/b8c837_b9014f6f1a234e708e17ecb817c429d1.pdf
- https://static.usrfiles.com/ugd/a467d2_7c0fa48bb46a45a2a1f92d966a0bedd9.pdf
- https://static.usrfiles.com/ugd/b8c837_55ccc61bb7a942039f0ba64841579924.pdf
- https://static.usrfiles.com/ugd/b8c837_d5c2cf93c6d043be8a06f2c6d6083b17.pdf
- https://static.usrfiles.com/ugd/906e9f_657316edacb549c8934ae4e74ea5ddd0.pdf
- https://cdn.shopify.com/s/files/1/0430/0737/7561/files/sagipapozu.pdf
- https://cdn.shopify.com/s/files/1/0428/7689/5398/files/74057912461.pdf
- https://cdn.shopify.com/s/files/1/0434/1163/6381/files/install_mono_ubuntu.pdf
- https://cdn.shopify.com/s/files/1/0431/4100/5480/files/accounts_receivable_specialist_job_description.pdf
- https://cdn.shopify.com/s/files/1/0453/6067/7019/files/ccnp_bgp_interview_questions_and_answers.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/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000443c.binf1a5bb8c010efece7399fcd0bb00a9c07468ae83aeb416a8289aa995ced9450b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x443C | 5424 bytes |
font_01_sfnt_off0000568e.bin09b70874e3f03eebd666a3f333024663932ca8445b085a85e385c36ab4d6e8bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x568E | 9784 bytes |
font_02_sfnt_off00007810.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7810 | 4324 bytes |
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