MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.ru', which is associated with SEO spam and potentially malicious content. The document body, though heavily obfuscated, contains the same URL and references a 'free download', indicating a lure. The PDF also contains a large number of embedded links, many pointing to Shopify domains, which is characteristic of link farms used for SEO manipulation to drive traffic to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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/pify?keyword=fall+out+boy+centuries+mp3+song+free+download
- http://files.stcsymphony.org/uploads/1/3/0/7/130739351/1545064.pdf
- https://cdn.shopify.com/s/files/1/0437/7912/9501/files/wafowakoz.pdf
- https://cdn.shopify.com/s/files/1/0431/2009/9488/files/59372700178.pdf
- https://cdn.shopify.com/s/files/1/0433/7300/2906/files/balance_general_cuentas.pdf
- https://cdn.shopify.com/s/files/1/0429/0415/8375/files/7999371200.pdf
- https://cdn.shopify.com/s/files/1/0427/8353/9366/files/96170305912.pdf
- https://cdn.shopify.com/s/files/1/0431/3497/6157/files/mafogijexoker.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kijajakunij.pdf
- https://cdn.shopify.com/s/files/1/0462/5301/5189/files/diesel_generator_maintenance_log_sheet.pdf
- https://cdn.shopify.com/s/files/1/0437/1005/4554/files/vuzopozimupal.pdf
- https://cdn.shopify.com/s/files/1/0433/9141/8518/files/wagoragawowowepokija.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004829.binaa5372358103b7cc4ef908374b598f052ee1396b52dcf70fa50afca2ab89f292 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4829 | 3036 bytes |
font_01_sfnt_off0000550a.bin80f6c4cc1cac62fcdf270cb3b13cd853bb6d6ecbb19aaeb88519258173a38598 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x550A | 2900 bytes |
font_02_sfnt_off00005f62.bin80fc22c189741020fa92e7f9595a7631c2ee833ebd3646dabddc53870343bbeb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F62 | 5928 bytes |
font_03_sfnt_off00007387.bind58ebe629c838afd8f0eb6a62d20d70224f21c105ec1034c2b0eac3a7a00f58f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7387 | 11900 bytes |
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