MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in Systems
The PDF file was identified as malicious due to a critical heuristic firing for a malicious redirector link pointing to ttraff.com. Additionally, it contains a PDF link farm hosted on Shopify, with numerous links designed to appear as legitimate documents but likely serving as a distribution mechanism. The ML classifier strongly supports the malicious verdict. The embedded links suggest a social engineering or SEO poisoning attack to lure users to malicious infrastructure.
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=hanging+quotes+indesign
- https://cdn.shopify.com/s/files/1/0444/0273/7318/files/alimentacion_en_el_embarazo_oms.pdf
- https://cdn.shopify.com/s/files/1/0437/9446/4929/files/3909985700.pdf
- https://cdn.shopify.com/s/files/1/0430/4168/5665/files/ict_literacy_skills.pdf
- https://cdn.shopify.com/s/files/1/0431/8694/6206/files/adhyatma_books_in_kannada.pdf
- https://cdn.shopify.com/s/files/1/0429/9322/1783/files/93476751869.pdf
- https://static.usrfiles.com/ugd/b8c837_29b87e258c684fa79ee9756f840d947d.pdf
- https://static.usrfiles.com/ugd/b8c837_b8c4c6b8ac9e40a89c928cd2f02856af.pdf
- https://static.usrfiles.com/ugd/b8c837_11db2222ef77485abd0fab85b8fdd4a1.pdf
- https://static.usrfiles.com/ugd/b8c837_9585a4372f034e088ff4e54519a577d5.pdf
- https://cdn.shopify.com/s/files/1/0431/2157/4049/files/28641102489.pdf
- https://cdn.shopify.com/s/files/1/0432/0044/6626/files/tixinuwujovom.pdf
- https://cdn.shopify.com/s/files/1/0432/0326/4667/files/bharathiar_university_bca_books.pdf
- https://static.usrfiles.com/ugd/a4d998_6ac51ac85ea04c5c9be9a9117fd4ffe9.pdf
- https://static.usrfiles.com/ugd/353d00_15798decbf2e491ca89a607cace66bfb.pdf
- https://static.usrfiles.com/ugd/b8c837_b3118e2f9e9b4b358d7ff7f947133adf.pdf
- https://static.usrfiles.com/ugd/dd4472_fc8a88d5c28f4f5398feba8aab2230bb.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_off000065fa.bin1cb512c1d560b3b98835f3d89a4042df604c3b2ba5cbba4d891e9df21410421a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65FA | 4952 bytes |
font_01_sfnt_off000076d6.bin1451754b546104b208f32da8d1f76da51a7236d7bbce9c3f68b8252037ddf908 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76D6 | 10120 bytes |
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