MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is likely intended to lead the user to a malicious site. The document body contains garbled text but also includes the URL and a keyword suggesting a lure for software licenses. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm designed to obscure the malicious destination. 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/pify?keyword=hyperchem+lisans+kodu
- http://files.body-knowledge.com/uploads/1/3/1/4/131454272/4089604.pdf
- http://files.pearlywhitespediatricdentistry.com/uploads/1/3/1/3/131378993/fukegan.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/52299098946.pdf
- https://cdn.shopify.com/s/files/1/0447/5843/3943/files/machine_learning_a_bayesian_and_optimization_perspective_net_developers.pdf
- https://cdn.shopify.com/s/files/1/0432/1335/7214/files/surixogugabibigozirifom.pdf
- https://cdn.shopify.com/s/files/1/0434/5928/1061/files/nipamimuzokirobifi.pdf
- https://cdn.shopify.com/s/files/1/0428/5179/5107/files/61143615791.pdf
- https://cdn.shopify.com/s/files/1/0429/6579/4965/files/56108758821.pdf
- https://cdn.shopify.com/s/files/1/0437/5108/0085/files/30074878876.pdf
- https://cdn.shopify.com/s/files/1/0439/8209/4494/files/besharam_song_ringtone.pdf
- https://cdn.shopify.com/s/files/1/0439/5145/6411/files/apple_kopfhrer_adapter_fr_android.pdf
- https://cdn.shopify.com/s/files/1/0431/4192/2982/files/lopupapoguf.pdf
- https://cdn.shopify.com/s/files/1/0429/9191/1066/files/72462107217.pdf
- https://cdn.shopify.com/s/files/1/0431/9212/3560/files/dipudunatasowibev.pdf
- https://cdn.shopify.com/s/files/1/0433/0595/9574/files/49086848072.pdf
- https://cdn.shopify.com/s/files/1/0430/7940/1632/files/93190555789.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_off00006fb8.binf1121d6a4fd24db755565b290d3795ef5f421714e5c2dea6ba2e589f36db8c27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FB8 | 5440 bytes |
font_01_sfnt_off0000820a.binb23b60d85ec380c4014b7ecb7f241d18beb4f1092934768598efd066ffc6e4f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x820A | 17484 bytes |
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