MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.ru, which is disguised as a search result for birthday decoration images. This suggests a phishing or scam attempt. The presence of a large number of external PDF links, many pointing to Shopify, indicates a potential link farm used for SEO manipulation or to host further malicious content. The ML classifier strongly flagged this PDF as malicious.
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=balloon+decoration+for+birthday+images
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/1991/0820/files/86113660488.pdf
- https://cdn.shopify.com/s/files/1/0444/1692/5863/files/lego_harvard_business_case.pdf
- https://cdn.shopify.com/s/files/1/0431/8658/5749/files/fibasunonovoxitisowuva.pdf
- https://cdn.shopify.com/s/files/1/0431/2167/2356/files/ineval_ser_bachiller_2020.pdf
- https://cdn.shopify.com/s/files/1/0428/0667/3575/files/dazaraxujuxivigowaxi.pdf
- https://cdn.shopify.com/s/files/1/0428/8013/9423/files/possessive_pronouns_worksheet_3rd_grade.pdf
- https://static.usrfiles.com/ugd/a467d2_4dc6fb885cbd4161ab3585fe76b3ab59.pdf
- https://static.usrfiles.com/ugd/f63f29_737b1a12d15a45a7b7250b1bdb37ab14.pdf
- https://static.usrfiles.com/ugd/9e53d4_089979b229754eaf8641096e0d0e3f08.pdf
- https://static.usrfiles.com/ugd/d2751c_45750ffd1028403ba2b12684387fc86d.pdf
- https://cdn.shopify.com/s/files/1/0430/1645/4305/files/xazilosobogugiviwoloz.pdf
- https://cdn.shopify.com/s/files/1/0431/6663/0050/files/ffx_sphere_grid_guide.pdf
- https://cdn.shopify.com/s/files/1/0464/6282/8696/files/call_of_duty_advanced_warfare_wallpaper_android.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000076cf.bin1a583ca44445300b3c6c816ad16e2eb059fbe521cceaef2848ddbe0f3cf84c7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76CF | 5728 bytes |
font_01_sfnt_off00008a27.bin3a323e1051cb73a9452198620b0c3e77da62e1116c8bdbc2d4f71ff9a282c542 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A27 | 10348 bytes |
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