MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a prominent link to a redirector service, which is further disguised by the document body text referencing a "Charades app premium apk". The ML classifier strongly indicated maliciousness, and the PDF was flagged for containing a large number of external links, many hosted on Shopify. The primary malicious IOC is the redirector URL, which likely leads to a malicious payload or phishing page.
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.com/pify?keyword=charades+app+que+soy+yo+premium+apk
- http://bowademi.jasontfisher.com/uploads/1/3/2/7/132740435/rekelejosodop.pdf
- https://cdn.shopify.com/s/files/1/0439/0453/2648/files/fisalogupipaf.pdf
- https://cdn.shopify.com/s/files/1/0433/1087/4777/files/android_google_account_verification_bypass.pdf
- https://cdn.shopify.com/s/files/1/0434/5466/0758/files/12138377435.pdf
- https://cdn.shopify.com/s/files/1/0459/8949/4951/files/gta_v_apk_mediafre_android_descargar.pdf
- https://cdn.shopify.com/s/files/1/0429/9928/3861/files/14934748388.pdf
- https://cdn.shopify.com/s/files/1/0435/2504/6431/files/phylum_chordata_classification.pdf
- https://cdn.shopify.com/s/files/1/0437/0425/4615/files/70353644495.pdf
- https://cdn.shopify.com/s/files/1/0431/6728/5408/files/fofuvawosa.pdf
- https://cdn.shopify.com/s/files/1/0428/8974/0441/files/tri-_fold_pamphlet_template_microsoft_word.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005c7b.bincf8141ae968a71cef071b427b215ffcdab602e1c9dfc1b2c72eab2a19c40096f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C7B | 5364 bytes |
font_01_sfnt_off00006e94.bin870555f44e54244c153a2b19d369509b543592adab9a635b8f4e7334263ea5bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E94 | 5432 bytes |
font_02_sfnt_off0000815d.bin8a3b4e7f4418505b054342c105220b21813f1da0d203b2c8393bb387dbce069e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x815D | 10120 bytes |
font_03_sfnt_off0000a438.bin8d45f5f417e74c11d54eaee7138901bb4b2498e40dea16ccf89f2c2707c13e35 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA438 | 16544 bytes |
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