MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to a 'singing monsters breeding guide' and the malicious URL, suggesting a lure. The presence of a large number of embedded links, many pointing to Shopify, indicates a link farm strategy, likely to obscure the malicious redirector. The ML classifier also 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=singing+monsters+breeding+guide
- https://static.usrfiles.com/ugd/b8c837_8801f67e37f84cefb3a1839db9e3e676.pdf
- https://static.usrfiles.com/ugd/b8c837_1eeb1d42e4af45868d3c1e9680d850aa.pdf
- https://static.usrfiles.com/ugd/b8c837_ad9518ad5ca34f1688672623472346b6.pdf
- https://cdn.shopify.com/s/files/1/0428/5887/2998/files/64326842337.pdf
- https://cdn.shopify.com/s/files/1/0434/3631/0678/files/55678043163.pdf
- https://cdn.shopify.com/s/files/1/0429/9581/0455/files/sapesazamo.pdf
- https://cdn.shopify.com/s/files/1/0428/9839/1196/files/passive_voice_exercises_with_answers_multiple_choice.pdf
- https://cdn.shopify.com/s/files/1/0435/5214/5560/files/48762867375.pdf
- https://cdn.shopify.com/s/files/1/0427/6515/6508/files/scarlet_letter_cliff_notes.pdf
- https://cdn.shopify.com/s/files/1/0438/1392/9122/files/mision_y_vision_de_dominos.pdf
- https://cdn.shopify.com/s/files/1/0431/4346/3074/files/15230421944.pdf
- https://cdn.shopify.com/s/files/1/0434/3431/1845/files/4973919345.pdf
- https://cdn.shopify.com/s/files/1/0457/3544/4646/files/ib_chemistry_ia_ideas.pdf
- https://cdn.shopify.com/s/files/1/0431/9795/6258/files/pebeseg.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_off00006cd1.bin5038a782839d8f05da01fceafc9e213f882030a12184426813ddcd1b4d06ea28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CD1 | 5148 bytes |
font_01_sfnt_off00007e24.bine9a5a1f6ed95b1e3669933bb00002ad32a1708c3e0b735191cad5e02368a6c7d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E24 | 1800 bytes |
font_02_sfnt_off000086b2.bin09e1eefc7b71626e195b846a961600110751ede40d9d7079f0996442a31e1a8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86B2 | 13120 bytes |
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