MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a clear lure related to a 'catchphrase app' and directs the user to a malicious URL, ttraff.com, which is flagged as a redirector. The presence of numerous links to other PDFs hosted on cdn.shopify.com suggests a link farm or SEO manipulation tactic, common in phishing and malware distribution campaigns. The ML classifier strongly indicated maliciousness.
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/wix?keyword=catchphrase+app+answers+level+7
- https://cdn.shopify.com/s/files/1/0434/3024/8600/files/gsm_security_alarm_system_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/2611/0885/files/redutilavudagurubaveked.pdf
- https://cdn.shopify.com/s/files/1/0431/8229/3141/files/72289704887.pdf
- https://cdn.shopify.com/s/files/1/0433/3115/8175/files/pakistani_movies_box_office_report_2018.pdf
- https://cdn.shopify.com/s/files/1/0462/3535/3248/files/snes_usb_controller_driver_windows_10.pdf
- https://cdn.shopify.com/s/files/1/0434/7248/6564/files/89330492637.pdf
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/kemosa.pdf
- https://cdn.shopify.com/s/files/1/0431/1128/4893/files/65340853981.pdf
- https://cdn.shopify.com/s/files/1/0438/4935/1328/files/pain_de_dieu_pain_de_vie_paroles.pdf
- https://cdn.shopify.com/s/files/1/0435/8746/9469/files/20602830602.pdf
- https://cdn.shopify.com/s/files/1/0429/8565/2375/files/vebizusafevepufagur.pdf
- https://cdn.shopify.com/s/files/1/0454/8267/2278/files/aicte_approved_colleges_list_2020_18.pdf
- https://static.usrfiles.com/ugd/bb13a2_88e652f0f3184af5a066a8707e8751b8.pdf
- https://static.usrfiles.com/ugd/b8c837_07412429a325477597f10d210de4cc55.pdf
- https://static.usrfiles.com/ugd/ea2f88_fa667125e2e44c9bb29062ea9575636a.pdf
- https://static.usrfiles.com/ugd/278743_208bbe5465ab49feae9621057b77589e.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000080f3.bin95363534b8fd8a43dee2a396c0d094218a20db52fa1d45bce6920877512b3b6e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80F3 | 5156 bytes |
font_01_sfnt_off00009291.bine5a3efa6884ab3d1b3bae47b716afff5515ad509eb22c53fdb7bd10226769603 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9291 | 14728 bytes |
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