MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
This PDF document contains a mass external PDF link farm, with many links pointing to Shopify domains, but crucially includes a link to a known malicious redirector. The document body, though heavily obfuscated, contains the text 'Figures of speech worksheet for grade 5' and the malicious URL, suggesting a lure to disguise the malicious intent. The primary malicious IOC is the redirector URL, which likely leads to further malicious content or phishing pages.
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=figures+of+speech+worksheet+for+grade+5
- https://cdn.shopify.com/s/files/1/0433/9551/4535/files/53120569351.pdf
- https://cdn.shopify.com/s/files/1/0428/5690/6918/files/19670595.pdf
- https://cdn.shopify.com/s/files/1/0434/8978/8069/files/30589278982.pdf
- https://cdn.shopify.com/s/files/1/0434/0645/9032/files/65863093437.pdf
- https://cdn.shopify.com/s/files/1/0433/1382/3909/files/92319910372.pdf
- https://static.usrfiles.com/ugd/384ea4_9b914a72c2804380958640c741af9456.pdf
- https://static.usrfiles.com/ugd/8de238_5b933b0cd7c64b47a08e71bb81bde7b3.pdf
- https://static.usrfiles.com/ugd/4c1554_3801488d56ee4364a30ebdef3b70a938.pdf
- https://cdn.shopify.com/s/files/1/0431/8121/1810/files/app_store_apk_android_2._3.pdf
- https://cdn.shopify.com/s/files/1/0467/9709/5063/files/principios_de_conteo_en_preescolar_segun_baroody.pdf
- https://cdn.shopify.com/s/files/1/0450/6664/9750/files/aromaterapia_egipcia.pdf
- https://cdn.shopify.com/s/files/1/0430/4509/3533/files/vixisozi.pdf
- https://cdn.shopify.com/s/files/1/0433/7064/3614/files/77612254103.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_off00005f28.bind8b6d87a42d4571536a1ed64527d393f690f364df54161a2fde7f9054cfeeac9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F28 | 5396 bytes |
font_01_sfnt_off000071ba.bin0b11841948ddc9722e1cff1d5224e18b122e79d3b67869bd7e11deffa7a0111e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71BA | 10008 bytes |
font_02_sfnt_off000093e0.bin1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93E0 | 4324 bytes |
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