MALICIOUS
152
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, specifically pointing to 'https://ttraff.ru/wix?keyword=happy+wheels+apk+free++for+android'. This URL is presented within the document body and also as an embedded link, suggesting a social engineering lure to trick users into visiting a malicious site. The presence of a large number of external PDF links, many hosted on Shopify, further indicates a link farm or SEO poisoning attempt to drive traffic to the malicious redirector.
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.ru/wix?keyword=happy+wheels+apk+free++for+android
- https://cdn.shopify.com/s/files/1/0431/3369/8209/files/54329730830.pdf
- https://cdn.shopify.com/s/files/1/0432/6942/3269/files/breast_cancer_treatment_guideline.pdf
- https://cdn.shopify.com/s/files/1/0435/6525/2769/files/bahut_aayi_gayi_yaadein_full_song.pdf
- https://cdn.shopify.com/s/files/1/0434/6046/0701/files/34205482633.pdf
- https://cdn.shopify.com/s/files/1/0434/6042/7928/files/69439410301.pdf
- https://cdn.shopify.com/s/files/1/0437/4226/5498/files/mystic_messenger_jaehee_good_ending_guide.pdf
- https://cdn.shopify.com/s/files/1/0435/3854/6840/files/2844369719.pdf
- https://cdn.shopify.com/s/files/1/0430/5967/5290/files/borez.pdf
- https://cdn.shopify.com/s/files/1/0463/5118/8125/files/52859393856.pdf
- https://static.usrfiles.com/ugd/f0e51d_413eb15e159a46ab8412054bff900d25.pdf
- https://static.usrfiles.com/ugd/f459ea_e600f89159294f10bf45aa4357450512.pdf
- https://static.usrfiles.com/ugd/36f25b_62e001359b414228a6acde9bbdaaebdf.pdf
- https://static.usrfiles.com/ugd/7598fa_3bac7b8db0b34c96809470aef1555186.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_off00004e49.bin1627482f3242fe728d79dc02fc186ee6ab9d4186d1bf44cd05af7ea592f00951 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E49 | 5056 bytes |
font_01_sfnt_off00005f79.bin521a9b244ced8dde4cab1451ae540971adfba04528ea012106400542534dbd30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F79 | 10364 bytes |
font_02_sfnt_off00008264.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8264 | 4324 bytes |
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